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Recent questions tagged probability
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GATE BT 2021 | GA Question: 8
There are five bags each containing identical sets of ten distinct chocolates. One chocolate is picked from each bag. The probability that at least two chocolates are identical is _________ $0.3024$ $0.4235$ $0.6976$ $0.8125$
go_editor
asked
in
Quantitative Aptitude
Mar 1, 2021
by
go_editor
1.4k
points
gatebt-2021
numerical-ability
probability
0
votes
0
answers
2
GATE2020: 24
A normal random variable has mean equal to $0$, and standard deviation equal to $3$. The probability that on a random draw the value of this random variable is greater than $0$ is __________ (round off to $2$ decimal places).
soujanyareddy13
asked
in
Probability and Statistics
Nov 3, 2020
by
soujanyareddy13
2.7k
points
gate2020
numerical-answers
probability-and-statistics
probability
mean-and-standard-deviation
0
votes
0
answers
3
GATE2017-47
For the probability density $P(x) = 0.5e^{-0.5x}$, the integral $\displaystyle \int_0^{\infty}P(x)dx =$ __________
Milicevic3306
asked
in
Probability and Statistics
Mar 26, 2018
by
Milicevic3306
7.9k
points
gate2017
numerical-answers
probability-and-statistics
probability
probability-density-function
0
votes
0
answers
4
GATE2014-GA-4
In any given year, the probability of an earthquake greater than Magnitude $6$ occurring in the Garhwal Himalayas is $0.04$. The average time between successive occurrences of such earthquakes is_____ years.
Milicevic3306
asked
in
Quantitative Aptitude
Mar 26, 2018
by
Milicevic3306
7.9k
points
gate2014
numerical-ability
probability
numerical-answers
normal
0
votes
0
answers
5
GATE2014-GA-10
$10\%$ of the population in a town is HIV+. A new diagnostic kit for HIV detection is available; this kit correctly identifies HIV+ individuals 95% of the time, and HIV individuals $89\%$ of the time. A particular patient is tested using this kit and is found to be positive. The probability that the individual is actually positive is_______
Milicevic3306
asked
in
Quantitative Aptitude
Mar 26, 2018
by
Milicevic3306
7.9k
points
gate2014
numerical-ability
probability
conditional-probability
numerical-answers
0
votes
0
answers
6
GATE2014-2
If an unbiased coin is tossed $10$ times, the probability that all outcomes are same will be_______ $ \times 10^{-5}$
Milicevic3306
asked
in
Probability and Statistics
Mar 26, 2018
by
Milicevic3306
7.9k
points
gate2014
probability-and-statistics
probability
conditional-probability
numerical-answers
0
votes
0
answers
7
GATE2013-62
In a factory, two machines $M1$ and $M2$ manufacture $60\%$ and $40\%$ of the autocomponents respectively. Out of the total production $2\%$ of $M1$ and $3\%$ of $M2$ are found to be defective. If a randomly drawn autocomponent from the combined lot is found defective, what is the probability that it was manufactured by $M2$? $0.35$ $0.45$ $0.5$ $0.4$
Milicevic3306
asked
in
Quantitative Aptitude
Mar 26, 2018
by
Milicevic3306
7.9k
points
gate2013
numerical-ability
probability
conditional-probability
0
votes
0
answers
8
GATE2012-64
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 $0.288$ $0.334$ $0.667$ $0.720$
Milicevic3306
asked
in
Quantitative Aptitude
Mar 25, 2018
by
Milicevic3306
7.9k
points
gate2012
numerical-ability
probability
conditional-probability
normal
0
votes
0
answers
9
GATE2012-40
A disease is inherited by a child with a probability of $1/4$. In a family with two children, the probability that exactly one sibling is affected by this disease is $1/4$ $3/8$ $7/16$ $9/16$
Milicevic3306
asked
in
Probability and Statistics
Mar 25, 2018
by
Milicevic3306
7.9k
points
gate2012
probability-and-statistics
probability
0
votes
0
answers
10
GATE2018-42
The probability distribution for a discrete random variable $X$ is given below. $\begin{array}{|c|c|c|c|c|} \hline X & 1 & 2 & 3 & 4 \\ \hline P(X) & 0.3 & 0.4 & 0.2 & 0.1 \\ \hline \end{array}$The expectation value of $X$ is (up to one decimal place) _____________
gatecse
asked
in
Probability and Statistics
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
numerical-answers
probability-and-statistics
probability
expectation
0
votes
0
answers
11
GATE2018-22
The variable $z$ has a standard normal distribution. If $P(0 \leq z \leq 1)= 0.34$ then $P(z^2 > 1)$ is equal to (up to two decimal places) ____________
gatecse
asked
in
Probability and Statistics
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
numerical-answers
probability-and-statistics
probability
normal-distribution
0
votes
0
answers
12
GATE2018-1
Consider an unfair coin. The probability of getting heads is $0.6$. If you toss this coin twice, what is the probability that the fast or the second toss is heads? $0.56$ $0.64$ $0.84$ $0.96$
gatecse
asked
in
Probability and Statistics
Feb 20, 2018
by
gatecse
1.4k
points
gate2018
probability-and-statistics
probability
conditional-probability
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