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Recent questions tagged conditionalprobability
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PROBABILITY GATE QUESTION
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Feb 14
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Probability
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cocgame
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probability
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GATE201844
Consider Guwahati, (G) and Delhi (D) whose temperatures can be classified as high $(H)$, medium $(M)$ and low $(L)$. Let $P(H_G)$ denote the probability that Guwahati has high temperature. Similarly, $P(M_G)$ and $P( ... .3$, then the probability (correct to two decimal places) that Guwahati has high temperature given that Delhi has high temperature is _____
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Feb 14
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gatecse
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Made Easy Full Test  Hashing + Probability
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Jan 18
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Akash Mishra
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100
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hashing
datastructure
probability
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Conditional probability
A student $Y$ lives in a place $X$. In $X$ a day can be cloudy with probability $\bf0.02$ uniformly each day. $Y$'s friends may come to his house with probability $\bf0.2$ uniformly in each day irrespective of weather condition. These two events are ... Friends came}} \; {\bf} \;\; {\color{maroon}{\text{Y plays}} } )$ on a particular day ?
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Dec 25, 2017
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Probability
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Debashish Deka
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116
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conditionalprobability
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Probability
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Dec 5, 2017
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Probability
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Parshu gate
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6
probability
A jewelry showroom has announced “500” vehicles prizes, out of which 200 are cars and 300 are bikes. Showroom has purchased 120 bikes and 25 cars from Suzuki and 100 bikes and 150 cars from Mahindra, 80 bikes and 25cars from BMW. What is the probability that a person who won a bike, which is of Suzuki company
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Nov 27, 2017
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Parshu gate
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120
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Probability
Suppose two dies are rolled .What is the probability of getting 4 on the first die , when the the sum is 6 ? A) 1/5 B)1/6
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Oct 31, 2017
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NIKU
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124
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probability
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8
Probability
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Oct 25, 2017
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Probability
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Shivam Chauhan
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117
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probability
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9
Probability
Let X and Y be independent random variables each taking the values 1 or 1 with probability 1/2. Let Z=XY . Show that X,Y,Z are pairwise independent . Are they indepenedent ?
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Sep 25, 2017
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Probability
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ashwina
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10
Probability
If two fair coins are flipped and at least one of the outcomes is known to be a head, what is the probability that both outcomes are heads? Ans is 1/3. Why this answer does not come when we apply conditional probability?
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Sep 9, 2017
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Mathematical Logic
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Injila
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123
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conditionalprobability
discretemathematics
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11
Probability
In the card game bridge, the 52 cards are dealt out equally to 4 players—called East, West, North, and South. If North and South have a total of 8 spades among them, what is the probability that East has 3 of the remaining 5 spades?
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Aug 30, 2017
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Probability
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Harish Karnam
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149
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1
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12
Conditional Probability
If the occurrence of some events are dependent on the occurrence of an event A then sum of all the joint probabilities in which the occurrence of event A is considered gives the a) Subjective probability of event A b) ... ) Conditional probability of event A d) Marginal Probability of event A e) Relative frequency of occurrence of event A
asked
Aug 1, 2017
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Probability
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Shubhanshu
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168
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engineeringmathematics
probability
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1
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13
Probability fair and unfair coin together
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Jul 20, 2017
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Databases
by
Shubhanshu
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125
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probability
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14
Probability puzzles
A grasshopper is sitting on a little stone, which we'll call stone zero. Ahead of him, arranged in a line, are stones one, two, three, et cetera, all the way up to nine. The grasshopper would like to reach that ninth stone, ... he could take one big jump, or two little ones. How many different paths can the grasshopper take to reach his destination?
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May 23, 2017
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Probability
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Purple
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228
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probability
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Probbility puzzles
Three men  conveniently named A, B, and C  are fighting a duel with pistols. It's A's turn to shoot. The rules of this duel are rather peculiar: the duelists do not all shoot simultaneously, but instead take turns. A fires at ... a better shot, and hits with probability 0.75  all shots are independent. What's the probability that A wins the duel?
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May 23, 2017
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288
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probability
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+7
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4
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16
TIFR 2012 Probability
Amar and Akbar both tell the truth with probability $\dfrac{3}{4}$ and lie with probability $\dfrac{1}{4}.$ Amar watches a test match and talks to Akbar about the outcome. Akbar, in turn, tells Anthony, "Amar told me that India won". What probability should ... $\dfrac{9}{16}$ (b) $\dfrac{6}{16}$ (c) $\dfrac{7}{16}$ (d) $\dfrac{10}{16}$
asked
Mar 4, 2017
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sh!va
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298
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engineeringmathematics
tifr2012
conditionalprobability
+19
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3
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GATE2017226
$P$ and $Q$ are considering to apply for a job. The probability that $P$ applies for the job is $\dfrac{1}{4},$ the probability that $P$ applies for the job given that $Q$ applies for the job is $\dfrac{1}{2},$ and the probability that $Q$ applies for the ... }\right)$ $\left(\dfrac{5}{6}\right)$ $\left(\dfrac{7}{8}\right)$ $\left(\dfrac{11}{12}\right)$
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Feb 14, 2017
in
Probability
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Arjun
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2.5k
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gate20172
probability
conditionalprobability
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1
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18
Maths
There are 2 white and 4 black balls in urn A; in urn B, there are 4 white and 7 black balls. If one ball is randomly replaced from A into B and a ball is drawn from B then find the probability for the ball to be a white one?
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Dec 25, 2016
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Anmol Verma
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143
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3
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19
conditional probability
A box contains 10 mangoes out of which 4 are rotten .Two mangoes are taken out together. If one of them is found to be good ,then find the probability other is also good
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Aug 7, 2016
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Probability
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indrajeet
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708
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engineeringmathematics
probability
conditionalprobability
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3
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20
conditional probability
One dice is thrown three times and the sum of the thrown numbers is 15.find the probability for which number 4 appears in first throw.
asked
Aug 7, 2016
in
Probability
by
indrajeet
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392
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engineeringmathematics
probability
conditionalprobability
+8
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5
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ISRO200733
Company X shipped 5 computer chips, 1 of which was defective. and company Y shipped 4 computer chips, 2 of which were defective. One computer chip is to be chosen uniformly at a random from the 9 chips shipped by the companies. If the chosen chip is found to be defective, what is the probability that the chip came from the company Y? 2/9 4/9 2/3 1/2
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Jun 10, 2016
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Probability
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jothee
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112k
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isro2007
probability
conditionalprobability
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4
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CMI2013A02
10% of all email you receive is spam. Your spam filter is 90% reliable: that is, 90% of the mails it marks as spam are indeed spam and 90% of spam mails are correctly labelled as spam. If you see a mail marked spam by your filter, what is the probability that it really is spam? 10% 50% 70% 90%
asked
May 23, 2016
in
Probability
by
jothee
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112k
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508
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cmi2013
probability
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bayestheorem
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2
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23
Conditional Probability IITB (RA) 2016
asked
May 19, 2016
in
Probability
by
Utk
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289
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probability
conditionalprobability
gate2016admission
admissions
interview
+5
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1
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24
ISRO201371
Let $P(E)$ denote the probability of the occurrence of event $E$. If $P(A)= 0.5$ and $P(B)=1$ then the values of $P(AB)$ and $P(BA)$ respectively are $0.5, 0.25$ $0.25, 0.5$ $0.5, 1$ $1, 0.5$
asked
May 13, 2016
in
Probability
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makhdoom ghaya
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47.9k
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1.7k
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isro2013
probability
conditionalprobability
+4
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2
answers
25
GATE2014AGGA10
$10$% of the population in a town is $\text{HIV}\large ^{+}$. A new diagnostic kit for $\text{HIV}$ detection is available; this kit correctly identifies $\text{HIV}\large ^{+}$ individuals $95$% of the time, and ... patient is tested using this kit and is found to be positive. The probability that the individual is actually positive is ______.
asked
Mar 21, 2016
in
Numerical Ability
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makhdoom ghaya
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931
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gate2014ag
numericalability
probability
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normal
numericalanswers
+15
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4
answers
26
GATE2014EC01GA10
You are given three coins: one has heads on both faces, the second has tails on both faces, and the third has a head on one face and a tail on the other. You choose a coin at random and toss it, and it comes up heads. The probability that the other face is tails is $\dfrac{1}{4}$ $\dfrac{1}{3}$ $\dfrac{1}{2}$ $\dfrac{2}{3}$
asked
Mar 18, 2016
in
Probability
by
makhdoom ghaya
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47.9k
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951
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gate2014ec01
numericalability
probability
bayestheorem
conditionalprobability
+9
votes
2
answers
27
GATE 2015 Aptitude Set 4 Q10
A coin is tossed thrice. Let X be the event that head occurs in each of the first two tosses. Let Y be the event that a tail occurs on the third toss. Let Z be the event that two tails occur in three tosses. Based on the above ... and Y are not independent (B) Y and Z are dependent (C) Y and Z are independent (D) X and Z are independent
asked
Feb 15, 2016
in
Numerical Ability
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Akash Kanase
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gate2015aptiset4
conditionalprobability
probability
numericalability
+17
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4
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28
GATE2016205
Suppose that a shop has an equal number of LED bulbs of two different types. The probability of an LED bulb lasting more than $100$ hours given that it is of Type $1$ is $0.7$, and given that it is of Type $2$ is $0.4$. The probability that an LED bulb chosen uniformly at random lasts more than $100$ hours is _________.
asked
Feb 12, 2016
in
Probability
by
Akash Kanase
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49.5k
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1.8k
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gate20162
probability
conditionalprobability
normal
numericalanswers
+5
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5
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29
GATE 2014 EC
Q.10 You are given three coins: one has heads on both faces, the second has tails on both faces, and the third has a head on one face and a tail on the other. You choose a coin at random and toss it, and it comes up heads. The ... . So please answer the question & Also let me know why should we consider C3 , if we know surely that coin is not C3.
asked
Jan 28, 2016
in
Numerical Ability
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Akash Kanase
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1.3k
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conditionalprobability
bayestheorem
gateaptitude
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30
TIFR2011MathsB10
Suppose a box contains three cards, one with both sides white, one with both sides black, and one with one side white and the other side black. If you pick a card at random, and the side facing you is white, then the probability that the other side is white is $1/2$.
asked
Dec 10, 2015
in
Probability
by
makhdoom ghaya
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47.9k
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139
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tifrmaths2011
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