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Recent questions tagged conditional-probability
0
votes
3
answers
61
Probability
Please explain how $P(A ∩ B) = P(A)P(B)$? If $A$ and $B$ are independent.
Vishnathan
asked
in
Probability
Sep 17, 2018
by
Vishnathan
306
views
conditional-probability
independent-events
0
votes
0
answers
62
Conditional Probability (Papoulis)
Trains X and Y arrive at a station at random between 8 A.M. and 8.20 A.M. Train X stops for four minutes and train Y stops for five minutes. Assuming that the trains arrive independently of each other. (a) Determine the ... ) Assuming that the trains met, determine the probability that train X arrived before train Y. Note: please explain in detail. Thanks
Ravi Raja
asked
in
Probability
Aug 29, 2018
by
Ravi Raja
1.7k
views
probability
conditional-probability
engineering-mathematics
1
vote
0
answers
63
GATE Suitability Test | Test 1 | Question: 8
The chance of rainfall in the afternoon is twice that in the morning and there is no chance of rain happening at both morning and evening. If it rained for $3$ days, what is the probability that there was rainfall in the morning on all three days? (rounded to two decimal places)
Arjun
asked
in
Probability
Jun 10, 2018
by
Arjun
65
views
gate-suitability-test-1
conditional-probability
numerical-answers
1
vote
2
answers
64
Bayes theorem
This is extended form of Bayes theorem Can somebody explain (or can prove), how from 1st line 2 line came?
srestha
asked
in
Probability
May 5, 2018
by
srestha
1.7k
views
probability
conditional-probability
engineering-mathematics
1
vote
0
answers
65
Probability
murder takes place in an isolated village with 500 inhabitants. The police believe that red polyester fibers will have been transferred on to the murderer's clothes during the assault. Forensic experiments reveal that a probability of 0.9 can be assigned to such a transfer while the ... (a) P(guilt| fibers present) (b) P(fibres|guilt) (c) P(fibers) (d) P(guilt and fibers present).
Abhi Girin
asked
in
Mathematical Logic
Apr 18, 2018
by
Abhi Girin
284
views
probability
conditional-probability
1
vote
0
answers
66
Gate 2017
$P$ & $Q$ are considering to apply for a job.The probability that $P$ applies for a 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 job given that $P$ ... job given that $Q$ does not apply for the job is $\dfrac{4}{5}$ $\dfrac{5}{6}$ $\dfrac{7}{8}$ $\dfrac{11}{12}$
Avik Chowdhury
asked
in
Probability
Mar 28, 2018
by
Avik Chowdhury
238
views
conditional-probability
5
votes
0
answers
67
Probability
Experiment one results in the mutually exclusive and collectively exhaustive events $A, B$ and $C$. Experiment two results in the mutually exclusive and collectively exhaustive events $D$ and $E$. The joint probabilities of the events that may result from these two experiments are given below: $A$ $B$ $C$ $D$ $0.12$ ... $4, 6, 7, 10$ $2, 3, 4, 6, 9$ $3, 5, 7, 8, 10$ $1, 2, 4, 6, 9.$
Jason
asked
in
Probability
Mar 24, 2018
by
Jason
410
views
engineering-mathematics
probability
conditional-probability
0
votes
3
answers
68
Probability
If events $B$ and $C$ are dependent on event $A$ and $P(A \hspace{0.1cm}and\hspace{0.1cm} B) = 0.30$, $P(A\hspace{0.1cm} and\hspace{0.1cm} C) = 0.20$ and the dependent events $B$ and $C$ are mutually exclusive and collectively exhaustive, then $P(C/A)$ is equal to ________ ?
Jason
asked
in
Probability
Mar 24, 2018
by
Jason
1.6k
views
engineering-mathematics
probability
conditional-probability
0
votes
1
answer
69
Naive Bayes Algorithm
What is the step by step procedure to apply algorithms like Decision Tree, Naive Bayes, etc... on a dataset using Python?
Balaji Jegan
asked
in
Big Data/Data Analytics
Feb 21, 2018
by
Balaji Jegan
661
views
conditional-probability
probability
data-analytics
machine-learning
1
vote
2
answers
70
PROBABILITY QUESTION
cocgame
asked
in
Probability
Feb 14, 2018
by
cocgame
2.0k
views
probability
conditional-probability
engineering-mathematics
28
votes
3
answers
71
GATE CSE 2018 | Question: 44
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, $P(M_G)$ ... , then the probability (correct to two decimal places) that Guwahati has high temperature given that Delhi has high temperature is ________.
gatecse
asked
in
Probability
Feb 14, 2018
by
gatecse
10.1k
views
gatecse-2018
probability
conditional-probability
numerical-answers
2-marks
2
votes
1
answer
72
MadeEasy Test Series 2018: Probability - Conditional Probability
An article manufactured by a company consists of two independent parts A and B. In the process of manufacture of part A, 9 out of 100 are likely to be defective. Similarly in the process of manufacture of part ... likely to be defective. The probability that the assembled article will be defective is ________. (Upto 3 decimal places)
Sukhdip Singh
asked
in
Probability
Jan 25, 2018
by
Sukhdip Singh
632
views
probability
conditional-probability
engineering-mathematics
made-easy-test-series
4
votes
0
answers
73
Made Easy Full Test - Hashing + Probability
Question - Consider a hash table with 8 slots that use chaining for collision resolution. The table is initially empty. What is the probability that after 4 keys are inserted, at least a chain of size 3 is created? (assume simple uniform hashing is used) Correct answer - $29*8^{^{-3}}$ My answer - $8*8^{^{-3}}$
Akash Mishra
asked
in
Probability
Jan 18, 2018
by
Akash Mishra
897
views
hashing
data-structures
probability
conditional-probability
3
votes
0
answers
74
Bayes theorem
The chances that doctor A will diagnose a disease X correctly is 60%. The chances that a patient will die by his treatment after correct diagnosis is 40% and the chances of death by wrong diagnosis is 70%. A patient of doctor A, who had disease X, died ... disease was diagnosed correctly is ________%. I had solved it using Bayes theorem. and getting 66.66% but answer given is 46.15.
Shubhanshu
asked
in
Calculus
Jan 15, 2018
by
Shubhanshu
1.9k
views
conditional-probability
probability
engineering-mathematics
4
votes
3
answers
75
Total probability and Baye's theorem
When we should use Total probability and Baye's Theorem? Explain with examples.
Sona Barman
asked
in
Probability
Jan 11, 2018
by
Sona Barman
960
views
probability
engineering-mathematics
conditional-probability
4
votes
0
answers
76
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 independent. $Y$ can ... on a particular day ?
dd
asked
in
Probability
Dec 25, 2017
by
dd
405
views
conditional-probability
17
votes
2
answers
77
TIFR CSE 2018 | Part A | Question: 13
A hacker knows that the password to the TIFR server is $10$-letter string consisting of lower-case letters from the English alphabet. He guesses a set of $5$ distinct $10$-letter strings (with lower-case letters) uniformly at random. What is the probability that one of the ... $ \frac{1}{(26)^{10}}$ None of the above
Rohit Gupta 8
asked
in
Probability
Dec 10, 2017
by
Rohit Gupta 8
1.5k
views
tifr2018
probability
conditional-probability
17
votes
3
answers
78
TIFR CSE 2018 | Part A | Question: 15
Suppose a box contains $20$ balls: each ball has a distinct number in $\left\{1,\ldots,20\right\}$ written on it. We pick $10$ balls (without replacement) uniformly at random and throw them out of the box. Then we check if the ball with number $\text{ 1"}$ ... $\text{ 2"}$ on it is present in the box? $9/20$ $9/19$ $1/2$ $10/19$ None of the above
Rohit Gupta 8
asked
in
Probability
Dec 10, 2017
by
Rohit Gupta 8
1.9k
views
tifr2018
probability
conditional-probability
1
vote
1
answer
79
Gambler and Four Coins
A Gambler has four coins in his pocket. Two are double-headed, one is double-tailed and one is normal coin. The coins cannot be distinguished until one looks at them. The gambler takes a coin at random, opens his eyes and sees that the upper face of the coin is the head. What is the probability that the lower face is a head? Given answer is 4/5. I think it should be 2/3.
Shubhanshu
asked
in
Probability
Dec 6, 2017
by
Shubhanshu
595
views
probability
conditional-probability
0
votes
0
answers
80
Probability
Parshu gate
asked
in
Probability
Dec 5, 2017
by
Parshu gate
346
views
engineering-mathematics
probability
conditional-probability
0
votes
1
answer
81
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
Parshu gate
asked
in
Probability
Nov 27, 2017
by
Parshu gate
452
views
probability
engineering-mathematics
conditional-probability
1
vote
1
answer
82
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
NIKU
asked
in
Probability
Oct 31, 2017
by
NIKU
290
views
probability
engineering-mathematics
discrete-mathematics
conditional-probability
combinatory
3
votes
1
answer
83
Probability
Shivam Chauhan
asked
in
Probability
Oct 25, 2017
by
Shivam Chauhan
314
views
probability
conditional-probability
1
vote
1
answer
84
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 ?
dragonball
asked
in
Probability
Sep 25, 2017
by
dragonball
819
views
probability
conditional-probability
5
votes
1
answer
85
MA 2014
The time to failure, in months, of light bulbs manufactured at two plants A and B obey the exponential distribution with means 6 and 2 months respectively. Plant B produces four times as many bulbs as plant A does. Bulbs from these plants are indistinguishable. They ... is working after 12 months, the probability that it was manufactured at plant A is _____ GIVEN ANSWER: 0.92 to 0.94
Amit puri
asked
in
Probability
Sep 17, 2017
by
Amit puri
986
views
exponential-distribution
conditional-probability
0
votes
1
answer
86
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?
Harish Karnam
asked
in
Probability
Aug 30, 2017
by
Harish Karnam
1.5k
views
probability
engineering-mathematics
conditional-probability
2
votes
1
answer
87
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) Classical probability of event A c) Conditional probability of event A d) Marginal Probability of event A e) Relative frequency of occurrence of event A
Shubhanshu
asked
in
Probability
Aug 1, 2017
by
Shubhanshu
745
views
engineering-mathematics
probability
conditional-probability
5
votes
1
answer
88
Probability fair and unfair coin together
How to solve this question. https://www.facebook.com/photo.php?fbid=1131807666919473&set=gm.1597917393573841&type=3&theater A box contains 5 fair coins and 5 biased coins. Each biased coin has a probability of a head 4/5. A coin is drawn at random ... the conditional probability that the second coin is fair, is a) 20/39 b) 20/37 c) 1/2 d) 7/13
Shubhanshu
asked
in
Databases
Jul 20, 2017
by
Shubhanshu
1.2k
views
probability
conditional-probability
0
votes
2
answers
89
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, for reasons unknown ... two: he could take one big jump, or two little ones. How many different paths can the grasshopper take to reach his destination?
Purple
asked
in
Probability
May 23, 2017
by
Purple
921
views
probability
engineering-mathematics
conditional-probability
4
votes
0
answers
90
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 B, B fires at C, ... that B is a better shot, and hits with probability 0.75 - all shots are independent. What's the probability that A wins the duel?
Purple
asked
in
Probability
May 23, 2017
by
Purple
885
views
probability
conditional-probability
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