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Recent questions in Probability
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Random variables,
Uniform,
Normal,
Exponential,
Poisson
and
Binomial distributions.
Mean, median, mode and standard deviation.
Conditional probability and Bayes theorem
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Previous GATE
0
votes
3
answers
1
ISRODEC20176
The proposition $(P\Rightarrow Q)\wedge (Q\Rightarrow P)$ is a Tautology Contradiction Contingency Absurdity
asked
2 days
ago
in
Probability
by
jjayantamahata
Active
(
1.1k
points)

28
views
propositionallogic
+2
votes
2
answers
2
Sheldon Ross A first course in Probability
asked
3 days
ago
in
Probability
by
Subham Nagar
(
405
points)

46
views
probability
sheldonross
0
votes
0
answers
3
probability
asked
3 days
ago
in
Probability
by
Prince Sindhiya
(
355
points)

56
views
+2
votes
3
answers
4
Probability Practice
Six balls are to be randomly chosen from an urn containing 8 red, 10 green, and 12 blue balls. What is the probability at least one red ball, one blue and one green ball is chosen?
asked
Apr 10
in
Probability
by
Mk Utkarsh
Boss
(
11.7k
points)

277
views
probability
+2
votes
1
answer
5
Sheldon Ross 3.13
Balls are randomly removed from an urn that initially contains 20 red and 10 blue balls. (a) What is the probability that all of the red balls are removed before all of the blue ones have been removed? Now suppose that the urn initially contains 20 red, 10 blue ... red, green? (d) What is the probability that the group of blue balls is the first of the three groups to be removed?
asked
Apr 10
in
Probability
by
Mk Utkarsh
Boss
(
11.7k
points)

63
views
probability
sheldonross
0
votes
1
answer
6
B. S. Grewal Engineering Mathematics Probability
asked
Apr 6
in
Probability
by
JeetRoy
(
125
points)

88
views
numericalability
probability
0
votes
2
answers
7
Made easy test
asked
Apr 4
in
Probability
by
Prince Sindhiya
(
355
points)

81
views
0
votes
1
answer
8
Made easy test
asked
Apr 4
in
Probability
by
Prince Sindhiya
(
355
points)

63
views
madeeasytestseries
0
votes
1
answer
9
probability
From a pack of $52$ cards, all the face cards are removed and four cards are drawn. Then the probability that they are of different suit and different denomination is
asked
Mar 30
in
Probability
by
priyanka boral
(
259
points)

58
views
probability
engineeringmathematics
0
votes
0
answers
10
Gate EC 2014
An unbiased coin is tossed up an infinite numbers of time.The probability that the fourth head appears at the tenth toss $.067$ $.073$ $.082$ $.091$
[closed]
asked
Mar 28
in
Probability
by
Avik Chowdhury
Junior
(
539
points)

37
views
0
votes
1
answer
11
Gate probability
Two players,$A$ and $B$,alternately keep rolling a fare dice.The person to get six first wins the game.Given that player $A$ starts the game,the probability that $A$ wins the game is $5/11$ $1/2$ $7/13$ $6/11$
asked
Mar 28
in
Probability
by
Avik Chowdhury
Junior
(
539
points)

56
views
probability
0
votes
1
answer
12
Gate PI 2012
A fair coin is tossed till a head appears for the first time.The probability that the number of required tossed is odd,is $\left(\dfrac{1}{3}\right)$ $\left(\dfrac{1}{2}\right)$ $\left(\dfrac{2}{3}\right)$ $\left(\dfrac{3}{4}\right)$
asked
Mar 28
in
Probability
by
Avik Chowdhury
Junior
(
539
points)

47
views
probability
0
votes
0
answers
13
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 $P$ applies for ... that $Q$ does not apply for the job is $\dfrac{4}{5}$ $\dfrac{5}{6}$ $\dfrac{7}{8}$ $\dfrac{11}{12}$
[closed]
asked
Mar 28
in
Probability
by
Avik Chowdhury
Junior
(
539
points)

36
views
conditionalprobability
+1
vote
2
answers
14
Gate probability
A party of n persons take their seats at random at a round table,then the probability that two specified person do not sit together is $\left(\dfrac{2}{n1}\right)$ $\left(\dfrac{n3}{n1}\right)$ $\left(\dfrac{n2}{n1}\right)$ $\left(\dfrac{1}{n1}\right)$
asked
Mar 28
in
Probability
by
Avik Chowdhury
Junior
(
539
points)

49
views
probability
+3
votes
0
answers
15
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: $A$ $B$ $C$ $D$ $0.12$ $0. ... $4, 6, 7, 10$ $2, 3, 4, 6, 9$ $3, 5, 7, 8, 10$ $1, 2, 4, 6, 9.$
asked
Mar 24
in
Probability
by
Jason
Active
(
1.2k
points)

70
views
engineeringmathematics
probability
conditionalprobability
bayestheorem
0
votes
3
answers
16
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 ________ ?
asked
Mar 24
in
Probability
by
Jason
Active
(
1.2k
points)

174
views
engineeringmathematics
probability
conditionalprobability
0
votes
0
answers
17
Tossing a Coin
A coin is tossed ,the probability of getting heads p,o<p<1. Let N be random variable denoting the number of tosses where the head ans tail comes simulteneously and no two head or no two tails comes consecutively. Assuming successive tosses are independent, the expected value of N is ____________________
asked
Mar 21
in
Probability
by
srestha
Veteran
(
81.7k
points)

31
views
probability
+3
votes
0
answers
18
GATE 2004 question with modification
Let X and Y be normal distribution with mean $\alpha$ and $\beta$ respectively. If $Z=max(X,Y)$ then the mean of Z is given by_______________
asked
Mar 20
in
Probability
by
srestha
Veteran
(
81.7k
points)

59
views
gate2004
0
votes
0
answers
19
#Normal distribution
If a certain normal distribution of $X$, the probability is $0.5$ that $X$ is less than $500$ and $0.0227$ that $X$ is greater than $650$. What is the standard deviation of $X$? How to compute S.D, of above?
asked
Mar 15
in
Probability
by
jatin saini
Active
(
3.9k
points)

25
views
probability
0
votes
2
answers
20
#Probability sheldon ross Chapter 3 Ques No 6
asked
Mar 13
in
Probability
by
Sambit Kumar
Active
(
2k
points)

58
views
probability
0
votes
0
answers
21
Probability
Assume we are rolling 2 dies Event E1=probability of getting 4 on 1st die Event E2=probability of getting a sum of 7 with numbers on 2dies Now they are satisfying the formulae P(E1 intersection E2)=P(E1)*P(E2) From that we can say E1 and E2 are ... E2) is 5/36 so depending on occurrence of E1 probability of occurrence of E2 is changing can we say E1 and E2 as dependent events?
asked
Mar 3
in
Probability
by
sathvikchiramana
(
107
points)

13
views
+1
vote
1
answer
22
Birthday Paradox
There are 60 persons in a room.We have choosen 10 person at random. What is the probability that exactly 2 person among them have same birthday?
asked
Mar 2
in
Probability
by
srestha
Veteran
(
81.7k
points)

66
views
probability
birthday
0
votes
2
answers
23
WebProbability
A candidate is selected for interview of management trainees for $3$ companies. For the first company, there are $12$ candidates, for the second there are $15$ candidates and for the third, there are $10$ candidates. Find the probability that he is ... be selected in each of the interviews, and all candidates appearing for the interview have an equal probability of getting selected.
asked
Feb 27
in
Probability
by
Inspiron
Active
(
1.5k
points)

43
views
probability
engineeringmathematics
+1
vote
1
answer
24
GATE 2018 Maths  23(Electronics and Communication Engineering)
asked
Feb 21
in
Probability
by
Lakshman Patel RJIT
Loyal
(
7.5k
points)

153
views
gate2018
engineeringmathematics
probability
normal
+1
vote
1
answer
25
JEST Exam
Two gamblers have an argument. The first one claims that if a fair coin is tossed repeatedly, getting two consecutive heads is very unlikely. The second, naturally, is denying this.They decide to settle this by an actual trial; if within n coin tosses, no two ... has been demonstrated. What happens for larger values of n? Is it true that P(n) only increases with n? Justify your answer.
asked
Feb 17
in
Probability
by
Sukannya
Active
(
2.6k
points)

80
views
jest
0
votes
1
answer
26
PROBABILITY GATE QUESTION
asked
Feb 14
in
Probability
by
cocgame
(
141
points)

933
views
probability
conditionalprobability
gate
+4
votes
3
answers
27
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 $P(L_G)$ denotes the ... (L_G)=0.3$, then the probability (correct to two decimal places) that Guwahati has high temperature given that Delhi has high temperature is _____
asked
Feb 14
in
Probability
by
gatecse
Boss
(
17.8k
points)

1.5k
views
gate2018
probability
conditionalprobability
numericalanswers
+4
votes
5
answers
28
GATE201815
Two people, P and Q, decide to independently roll two identical dice, each with 6 faces, numbered 1 to 6. The person with the lower number wins. In case of a tie, they roll the dice repeatedly until there is no tie. Define a trial as a throw ... probable and that all trials are independent. THe probability (rounded to $3$ decimal places) that one of them wins on the third trial is ____
asked
Feb 14
in
Probability
by
gatecse
Boss
(
17.8k
points)

1.3k
views
gate2018
probability
normal
numericalanswers
+2
votes
1
answer
29
CMI2017A02
An FM radio channel has a repository of 10 songs. Each day, the channel plays 3 distinct songs that are chosen randomly from the repository. Mary decides to tune in to the radio channel on the weekend after her exams. What is the probability that no song gets repeated during these 2 ... 10\\ 3 \end{pmatrix}*\begin{pmatrix} 7\\ 3 \end{pmatrix}*\begin{pmatrix} 10\\ 6 \end{pmatrix}^{1}$
asked
Feb 5
in
Probability
by
Tesla!
Boss
(
15.1k
points)

103
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permutationsandcombinations
probability
cmi2017
+1
vote
0
answers
30
Probability Theory  Partition of Sample space
asked
Feb 1
in
Probability
by
Akundi Prathyusha
(
129
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58
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probability
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