Awesome q2a theme
Ask us anything
Toggle navigation
Email or Username
Password
Remember
Login
Register

I forgot my password
Activity
Q&A
Questions
Unanswered
Tags
Subjects
Users
Ask
Blogs
Previous Year
Exams
Recent questions and answers in Probability
0
votes
0
answers
TIFR2019 probabilty
consider an urn with ‘a’ red and ‘b’ blue ball . Balls are drawn out one by one without replacement uniformly at random until the first red ball is drawn .what is expected no of ball drawn?
asked
Mar 25
in
Probability
by
sridhar15399
(
5
points)

5
views
probability
0
votes
0
answers
TIFRGS2021 Question
Lavanya and Ketak each flip a fair coin (i.e., both heads and tails have equal probability of appearing) $n$ times. What is the probability that Lavanya sees more heads than Ketak? In the following, the binomial conefficient $n\choose k$ counts the number of $k$element subsets of an $n$element ... $\sum_{i=0}^{n}\frac{{n\choose i}}{2^{2n}}$
asked
Mar 24
in
Probability
by
zxy123
(
3.6k
points)

7
views
tifr2021
probability
0
votes
0
answers
TIFRGS2021 Question
A matching in a graph is a set of edges such that no two edges in the set share a common vertex. Let $G$ be a graph on $n$ vertices in which there is a subset $M$ of $m$ ... $p^{2m}$ (D) $(1  p^2)^m$ (E) $1  (1  p(1  p))^m$
asked
Mar 24
in
Probability
by
zxy123
(
3.6k
points)

7
views
tifr2021
probability
0
votes
0
answers
TIFRGS2021Question
What is the probability that at least two out of four people have their birthdays in the same month, assuming their birthdays are uniformly distributed over the twelve months? (A) $\frac{25}{48}$ (B) $\frac{5}{8}$ (C) $\frac{5}{12}$ (D) $\frac{41}{96}$ (E) $\frac{55}{96}$
asked
Mar 24
in
Probability
by
zxy123
(
3.6k
points)

7
views
tifr2021
probability
0
votes
0
answers
Which books should i refer for learning distributions in probability?
asked
Mar 4
in
Probability
by
kaleen bhaiya
(
9
points)

14
views
probability
+1
vote
0
answers
DRDO 2020 computer science descriptive exam
Consider a binomial experiment of flipping a biased coin five times with probability of head ,p=0.75 and probability of tail q=0.25 in each flip. What is the probability that last two flips will be heads if the first three flips are known to be tails ?
asked
Feb 25
in
Probability
by
rapidxy
(
9
points)

25
views
probability
selfdoubt
0
votes
1
answer
Made easy postal course
A bag contains 5 black, 2 red and 3 white marbles. Three marbles are drawn simultaneously. The probability that the drawn marbles are of the different color is ?
answered
Jan 20
in
Probability
by
SarathBaswa
(
849
points)

22
views
probability
0
votes
0
answers
Made easy booklet
Bag contains 5 black, 2 red and 3 white marbles. Three marbles are drawn simultaneously. Find probability that they're of different colour
asked
Jan 14
in
Probability
by
farazbukhari0
(
5
points)

30
views
selfdoubt
0
votes
0
answers
Previous year question
In this previous year question https://gateoverflow.in/179371/, can someone PLEASE explain why is it wrong to say that if i have probability of success = $\frac{1}{26^{10}}$ ... ? Please give a proper reason like, the reason why we can't say the answer is B is because checking is a dependent event.
asked
Jan 9
in
Probability
by
reboot
(
5
points)

30
views
probability
0
votes
0
answers
MATHS MADEEASY PRACTICE WORKBOOK
A student is taking a multiple choice exam in which each question has 5 possible answers exactly one of which is correct.If the student knows the answer he selects the correct answer. Otherwise he selects one answer at random from the 5 possible choices. ... question the student gets the correct answer? I AM GETTING 0.76 IN SOME SOURCES IT IS GIVEN 0.718 PLEASE SEE
asked
Dec 20, 2020
in
Probability
by
eyeamgj
(
29
points)

25
views
workbook
0
votes
1
answer
Probability Binomial Distribution NCERT Doubt
In a hurdle race, a player has to cross 10 hurdles. The probability that he will clear each hurdle is 5/6 . What is the probability that he will knock down fewer than 2 hurdles?
answered
Dec 2, 2020
in
Probability
by
zxy123
(
3.6k
points)

28
views
probability
+1
vote
1
answer
Probability ncert doubt
Find the probability that at most 2 heads and at most 2 tails occur when 4 coins are tossed simultaneously?
answered
Dec 2, 2020
in
Probability
by
zxy123
(
3.6k
points)

47
views
probability
selfdoubt
0
votes
0
answers
Probability NCERT Book Doubt
The probability of number of defectives in a lot is 35%. There are 4 items taken out with replacement. Find the probability that none of the items are defective?
asked
Nov 30, 2020
in
Probability
by
Dheera
(
14
points)

36
views
probability
0
votes
0
answers
Bayes Theorem self doubt
A card from a pack of 52 cards is lost. From the remaining cards of the pack, two cards are drawn and are found to be both diamonds. Find the probability of the lost card being a diamond.
asked
Nov 27, 2020
in
Probability
by
Dheera
(
14
points)

20
views
probability
selfdoubt
+1
vote
1
answer
TIFR 2020 From System Science
Balls are drawn one after the other uniformly at random without replacement from a set of eight balls numbered 1,2,...,8 until all balls drawn what is expected number of balls whose value matched their ordinality (i.e their position in the order in which ... that the ith ball is drawn at the ith draw ? now can you use linearity of expectation to solve the problem
answered
Nov 27, 2020
in
Probability
by
zxy123
(
3.6k
points)

30
views
probability
0
votes
1
answer
NIELIT NIC scientistB 2020 setC ques 75
Let X1,X2,...X50 be independent random variables following N(0,1) distribution. Let Y=$\sum_{i=1}^{50} X_{i}^{2}$ and E(Y)=a and Var(Y)=b. Then the ordered pair (a,b) is: (50,100) (50,50) (25,50) (25,100)
answered
Nov 26, 2020
in
Probability
by
ankitgupta.1729
(
357
points)

112
views
randomvariable
+1
vote
1
answer
#GATE_MA 2018
answered
Nov 3, 2020
in
Probability
by
zxy123
(
3.6k
points)

22
views
randomvariable
0
votes
1
answer
BS Gerewal engineering mathematics
hey guys, what is meant by the statement “cards are drawn in succession” . does it means whether one by one the cards were drawn OR all the cards were drawn at once any help is really appreciated….
answered
Oct 30, 2020
in
Probability
by
SarathBaswa
(
849
points)

17
views
discretemaths
combinatory
counting
0
votes
2
answers
online search
There are 10 pairs of shoes in a cupboard, from which 4 shoes are picked at random, then find the probability of at least one pair.
answered
Oct 22, 2020
in
Probability
by
ayush.5
(
99
points)

51
views
selfdoubt
0
votes
0
answers
MADEEASY WORK BOOK
THE AVERAGE DEVIATION OF ALL THE ITEMS IN THE DATA FROM ZERO IS EQUAL TO………… ARITHMETIC MEAN MEDIAN, MODE, STANDARD DEVIATION , VARIANCE I THINK ITS MEAN……? IS IT CORRECT?
asked
Oct 20, 2020
in
Probability
by
eyeamgj
(
29
points)

16
views
0
votes
2
answers
About Random Variable
From where to read random variable beacause in gate there are lot of tricky question asked Specially from uniform ,normal ,poisson,exponential random variable. So please give me some hint
answered
Oct 9, 2020
in
Probability
by
ijnuhb
(
747
points)

17
views
0
votes
0
answers
Exponential Distribution (probability)  self doubts
asked
Sep 21, 2020
in
Probability
by
Dipankar Giri
(
5
points)

17
views
probability
0
votes
0
answers
Uniform Distribution (Probability)Self doubts
What is Uniform Distribution in Probability?? Please discuss it with example!!! Thank you!!!
asked
Sep 21, 2020
in
Probability
by
Dipankar Giri
(
5
points)

14
views
probability
0
votes
1
answer
ROSEN question on Probability
find p(F I E) If p(E I F) = 1/3, p(E I F’) = 1/4, and p(F) = 2/3, where E and F are events from a sample space S. Is p(F I E) 11/12?
answered
Sep 15, 2020
in
Probability
by
Ehraz Hasan
(
366
points)

45
views
+1
vote
1
answer
Gravner Probability Exercise
answered
Sep 7, 2020
in
Probability
by
ijnuhb
(
747
points)

52
views
probability
0
votes
0
answers
made easy # q num 20
Two fair dices are rolled and the sum r of the numbers are turned up is considered then find pr(r=8r/4 is an integer.
asked
Aug 29, 2020
in
Probability
by
k.saurav
(
5
points)

12
views
0
votes
2
answers
#GATE_PI_2018
In a service centre, cars arrive according to possion distribution with a mean of two cars per hour. The time of servicing a car is exponential with a mean of 15 minutes. The expected waiting time(in minutes) in the queue is (A)10 (B)15 (C)25 (D)30 how to solve this type of question?
answered
Aug 27, 2020
in
Probability
by
suvradip das
(
119
points)

79
views
+1
vote
4
answers
probability basic
In a family with 4 children, what is the probability of a 2:2 boygirl split?
answered
Aug 23, 2020
in
Probability
by
SarathBaswa
(
849
points)

245
views
probability
0
votes
1
answer
conditional probability self doubt
in given probability question how can we assure that , we have to apply here conditional probability P(A/B) or multiplication rule P(A&B)?
answered
Aug 16, 2020
in
Probability
by
Arkaprava
(
801
points)

30
views
probability
0
votes
1
answer
Self Doubt: Eng. Math
what is median of $max\left ( x,y \right )$? Will it be $0$ or $\frac{x+y}{2}$?
answered
Aug 15, 2020
in
Probability
by
Arkaprava
(
801
points)

54
views
descrete
engineeringmathematics
0
votes
2
answers
Combinatorics and Probability
Six people including A,B, and C, form a queue in a random order (all 6! orderings are equiprobable). Consider the event "A precedes B in the queue". (Again this event does not mention C or other people in the queue. It happens when A is ... not require that B is the next after A, some people could be between A and B.) What is the probability of this event?
answered
Aug 15, 2020
in
Probability
by
manas_kulkarni
(
1
point)

323
views
conditionalprobability
permutation&combination
discretemaths
probability
0
votes
1
answer
A first course in probability
Let A denote the event that the midtown temperature in Los Angeles is 70◦F, and let B denote the event that the midtown temperature in New York is 70◦F. Also, let C denote the event that the maximum of the midtown temperatures in New York and in Los Angeles is ... ,P(B) = .4, and P(C) = .2, find the probability that the minimum of the two midtown temperatures is 70◦F.
answered
Aug 13, 2020
in
Probability
by
Arkaprava
(
801
points)

49
views
probability
0
votes
1
answer
A first course in probability by Ross
Let A denote the event that the midtown temperature in Los Angeles is 70◦F, and let B denote the event that the midtown temperature in New York is 70◦F. Also, let C denote the event that the maximum of the midtown temperatures in New York and in Los ... ,P(B) =.4, and P(C) = .2, find the probability that the minimum of the two midtown temperatures is 70◦F.
answered
Aug 13, 2020
in
Probability
by
Arkaprava
(
801
points)

87
views
0
votes
1
answer
A first course in probability by Ross
A basketball team consists of 6 frontcourt and 4 backcourt players. If players are divided into roommates at random, what is the probability that there will be exactly two roommate pairs made up of a backcourt and a frontcourt player?
answered
Aug 13, 2020
in
Probability
by
Arkaprava
(
801
points)

81
views
probability
0
votes
2
answers
#A First Course In Probability Sheldon Ross #self_doubt
answered
Aug 13, 2020
in
Probability
by
SarathBaswa
(
849
points)

25
views
selfdoubt
probability
0
votes
1
answer
Made easy test series flt1 probability
Consider the set X = {1 ,2, 3 …. 15}. Two elements ‘a’ and ‘b’ are chosen at random from S. The probability that the elements chosen satisfy a + b = 16 is equal to ________. (Upto 2 decimal places)
answered
Aug 12, 2020
in
Probability
by
Arkaprava
(
801
points)

54
views
madeeasytestseries
probability
0
votes
1
answer
self doubt question, No source of question
a random variable $x$ follows binomial distribution with $mean = 2$ times of variance and $mean + variance = 3$, then $p(x) = 3$ is...
answered
Aug 12, 2020
in
Probability
by
Arkaprava
(
801
points)

29
views
probability
binomialdistribution
0
votes
1
answer
Self doubt Independent events
In probability, in case of 3 events, why do we need to check pair wise independence rather than just mutual?
answered
Aug 11, 2020
in
Probability
by
Arkaprava
(
801
points)

35
views
probability
engineeringmaths
independent
events
0
votes
2
answers
Conditional Probablity
Conditional probabilities Remark. In your answers to all three questions of this section, give an explanation as to why you believe your answer is correct. Marks will not be awarded for answers with numbers not accompanied by any explanation or ... that a student studies Computer Science, and the probability that the student is male provided that he studies Computer Science
answered
Aug 11, 2020
in
Probability
by
SarathBaswa
(
849
points)

38
views
probability
bayes
0
votes
1
answer
Combinatorics and Probability
Six people, including A,B, and C, form a queue in a random order (all 6! orderings are equiprobable). Consider the event "B is between A and C in the queue". What is its probability? (The order of A and C can be arbitrary, but B should be between them).
answered
Aug 11, 2020
in
Probability
by
SarathBaswa
(
849
points)

35
views
permutation&combination
conditionalprobability
discretemaths
probability
combinatory
To see more, click for all the
questions in this category
.
Quick search syntax
tags
tag:apple
author
user:martin
title
title:apple
content
content:apple
exclude
tag:apple
force match
+apple
views
views:100
score
score:10
answers
answers:2
is accepted
isaccepted:true
is closed
isclosed:true
Welcome to GATE CSE Doubts, where you can ask questions and receive answers from other members of the community.
Top Users
2021 Apr 12  18
Bikram
12 Points
chirudeepnamini
4 Points
Weekly Top User (excluding moderators) will get free access to
GATE Overflow Test Series for GATE 2021
Recent Posts
New GATEOverflow PDFs
Guidelines to users
No Recent Blog Comments
Recent questions and answers in Probability
9,197
questions
3,182
answers
14,686
comments
96,162
users