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Recent questions tagged probability
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GATE2016 EC3: 3
The probability of getting a “head” in a single toss of a biased coin is 0.3. The coin is tossed repeatedly till a “head” is obtained. If the tosses are independent, then the probability of getting “head” for the first time in the fifth toss is _________
asked
Nov 21, 2019
in
Probability and Statistics
by
Kushagra गुप्ता
(
260
points)
gate2016ec
probability
0
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0
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2
GATE2009 EC: 11
A fair coin is tossed 10 times. What is the probability that ONLY the first two tosses will yield heads. (A) $\left(\dfrac{1}{2}\right)^{2}$ (B) $^{10}C_2\left(\dfrac{1}{2}\right)^{2}$ (C) $\left(\dfrac{1}{2}\right)^{10}$ (D) $^{10}C_2\left(\dfrac{1}{2}\right)^{10}$
asked
Nov 21, 2019
in
Probability and Statistics
by
Kushagra गुप्ता
(
260
points)
gate2009ec
probability
0
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0
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3
GATE20141GA10
You are given three coins: one has heads on both faces, the second has tails on both faces, and the third has a head on one face and a tail on the other. You choose a coin at random and toss it, and it comes up heads. The probability that the other face is tails is $1/4$ $1/3$ $1/2$ $2/3$
asked
Mar 26, 2018
in
Numerical Ability
by
Milicevic3306
(
15.7k
points)
gate2014ec1
numericalability
probability
0
votes
0
answers
4
GATE201365
What is the chance that a leap year, selected at random, will contain $53$ Saturdays? $2/7$ $3/7$ $1/7$ $5/7$
asked
Mar 26, 2018
in
Numerical Ability
by
Milicevic3306
(
15.7k
points)
gate2013ec
numericalability
probability
leapyear
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votes
0
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5
GATE201326
Let $U$ and $V$ be two independent zero mean Gaussian random variables of variances $\dfrac{1}{4}$ and $\dfrac{1}{9}$ respectively. The probability $P(3V\geq 2U)$ is $4/9$ $1/2$ $2/3$ $5/9$
asked
Mar 26, 2018
in
Probability and Statistics
by
Milicevic3306
(
15.7k
points)
gate2013ec
probability
randomvariable
0
votes
1
answer
6
GATE2018GA9
A cab was involved in a hit and run accident at night. You are given the following data about the cabs in the city and the accident. 85% of cabs in the city are green and the remaining cabs are blue. A witness identified the cab involved in the ... the tune. Which of the following options is closest to the probability that the accident was caused by a blue cab? 12% 15% 41% 80%
asked
Feb 19, 2018
in
Numerical Ability
by
gatecse
(
1.4k
points)
gate2018ec
numericalability
probability
0
votes
0
answers
7
GATE2017 EC1: 4
Three fair cubical dice are thrown simultaneously . The probability that all three dice have the same number of dots on the faces showing up is (up to third decimal place)________.
asked
Nov 17, 2017
in
Probability and Statistics
by
admin
(
2.8k
points)
gate2017ec1
probability
numericalanswers
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