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Recent questions and answers in Probability and Statistics
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GATE201264
An automobile plant contracted to buy shock absorbers from two suppliers $X$ and $Y.$ $X$ supplies $60\%$ and $Y$ supplies $40\%$ ... chosen shock absorber, which is found to be reliable, is made by $Y$ is $0.288$ $0.334$ $0.667$ $0.720$
asked
Mar 20, 2018
in
Probability and Statistics
by
Andrijana3306
(
1.5k
points)
gate2012me
probability
conditionalprobability
0
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1
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GATE2018224
The arrival of customers over fixed time intervals in a bank follow a Poisson distribution with an average of 30 customers/hour. The probability that the time between successive customer arrival is between 1 and 3 minutes is _____ (correct to two decimal places)
answered
Feb 22, 2018
in
Probability and Statistics
by
Balaji Jegan
(
1.2k
points)
gate2018me2
0
votes
1
answer
GATE2018227
Let $X_1$ and $X_2$ be two independent exponentially distributed random variables with means 0.5 and 0.25, respectively. Then $Y=\text{min}(X_1, X_2)$ is exponentially distributed with mean 1/6 exponentially distributed with mean 2 normally distributed with mean 3/4 normally distributed with mean 1/6
answered
Feb 22, 2018
in
Probability and Statistics
by
Balaji Jegan
(
1.2k
points)
gate2018me2
0
votes
0
answers
GATE201811
Four red balls, four green balls and four blue balls are put in a box. Three balls are pulled out of the box at random one after another without replacement. The probability that all the three balls are red is 1/72 1/55 1/36 1/27
asked
Feb 17, 2018
in
Probability and Statistics
by
Arjun
(
21.2k
points)
gate2018me1
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