menu
GO Electrical
Recent questions tagged probability
Login
Register
My account
Edit my Profile
Private messages
My favorites
Register
Recent questions tagged probability
All Activity
Questions
Hot!
Unanswered
Tags
Categories
Users
Ask a Question
New Blog
Blogs
Exams
Recent questions tagged probability
2
votes
1
answer
1
GATE Electrical 2022 | GA Question: 5
The figure below shows the front and rear view of a disc, which is shaded with identical patterns. The disc is flipped once with respect to any one of the fixed axes $1 -1$, $2 -2$ or $3 -3$ chosen uniformly at random. What is the probability that the ... $0$ $\frac{1}{3}$ $\frac{2}{3}$ $1$
Arjun
asked
in
Quantitative Aptitude
Feb 15
by
Arjun
9.2k
points
gate2022-ee
quantitative-aptitude
probability
1
vote
1
answer
2
GATE Electrical 2022 | GA Question: 7
There are two identical dice with a single letter on each of the faces. The following six letters: $\text{Q, R, S, T, U}$ and $\text{V}$, one on each of the faces. Any of the six outcomes are equally likely. The two dice are thrown once independently at random. What is the ... $\text{V}$? $\frac{1}{4}$ $\frac{3}{4}$ $\frac{1}{6}$ $\frac{5}{36}$
Arjun
asked
in
Quantitative Aptitude
Feb 15
by
Arjun
9.2k
points
gate2022-ee
quantitative-aptitude
probability
1
vote
1
answer
3
GATE Electrical 2021 | GA Question: 8
Let $X$ be a continuous random variable denoting the temperature measured. The range of temperature is $[0, 100]$ degree Celsius and let the probability density function of $X$ be $f\left ( x \right )=0.01$ for $0\leq X\leq 100$. The mean of $X$ is __________ $2.5$ $5.0$ $25.0$ $50.0$
Arjun
asked
in
Quantitative Aptitude
Feb 20, 2021
by
Arjun
9.2k
points
gateee-2021
numerical-ability
probability
probability-density-function
expectation
0
votes
0
answers
4
GATE Electrical 2021 | Question: 27
Suppose the probability that a coin toss shows "head" is $p$, where $0<p<1$. The coin is tossed repeatedly until the first "head" appears. The expected number of tosses required is $p/\left ( 1-p \right )$ $\left ( 1-p \right )/p$ $1/p$ $1/p^{2}$
Arjun
asked
in
new
Feb 20, 2021
by
Arjun
9.2k
points
gateee-2021
probability-and-statistics
probability
0
votes
0
answers
5
GATE Electrical 2019 | Question: 5
The mean-square of a zero-mean random process is $\frac{kT}{c},$ where $k$ is Boltzmann’s constant, $T$ is the absolute temperature, and $C$ is a capacitance. The standard deviation of the random process is $\frac{kT}{c} \\ $ $\sqrt{\frac{kT}{c}} \\ $ $\frac{c}{kT} \\ $ $\frac{\sqrt{kT}}{c}$
Arjun
asked
in
new
Feb 12, 2019
by
Arjun
9.2k
points
gate2019-ee
probability-and-statistics
probability
standard-deviation
0
votes
0
answers
6
GATE Electrical 2019 | Question: 40
The probability of a resistor being deflective is $0.02$. There are $50$ such resistors in a circuit. The probability of two or more defective resistors in the circuit (round off to two decimal places) is _______________
Arjun
asked
in
new
Feb 12, 2019
by
Arjun
9.2k
points
gate2019-ee
numerical-answers
probability-and-statistics
probability
0
votes
0
answers
7
GATE Electrical 2012 | Question: 61
$A$ and $B$ are friends. They decide to meet between $1:00$ pm and $2:00$ pm on a given day. There is a condition that whoever arrives first will not wait for the other for more than $15$ minutes. The probability that they will meet on that day is $1/4$ $1/16$ $7/16$ $9/16$
Andrijana3306
asked
in
Quantitative Aptitude
Mar 24, 2018
by
Andrijana3306
1.4k
points
gate2012-ee
numerical-ability
probability
0
votes
0
answers
8
GATE Electrical 2012 | Question: 37
A fair coin is tossed till a head appears for the first ime. The probability that the number of required tosses is odd, is $1/3$ $1/2$ $2/3$ $3/4$
Andrijana3306
asked
in
Probability & Statistics
Mar 24, 2018
by
Andrijana3306
1.4k
points
gate2012-ee
probability-and-statistics
probability
0
votes
0
answers
9
GATE Electrical 2012 | Question: 1
Two independent random variables $X$ and $Y$ are uniformly distributed in the interval $[-1,1]$. The probability that $\text{max}[X,Y]$ is less than $1/2$ is $3/4$ $9/16$ $1/4$ $2/3$
Andrijana3306
asked
in
Probability & Statistics
Mar 24, 2018
by
Andrijana3306
1.4k
points
gate2012-ee
probability-and-statistics
probability
random-variable
uniform-distribution
0
votes
1
answer
10
GATE Electrical 2018 | GA Question: 8
A class of twelve children has two more boys than girls. A group of three children are randomly picked from this class to accompany the teacher on a field trip. What is the probability that the group accompanying the teacher contains more girls than boys? $0 \\ $ $\frac{325}{864} \\ $ $\frac{525}{864} \\ $ $\frac{5}{12}$
Arjun
asked
in
Quantitative Aptitude
Feb 19, 2018
by
Arjun
9.2k
points
gate2018-ee
numerical-ability
probability
0
votes
0
answers
11
GATE Electrical 2017 Set 2 | GA Question: 5
There are $3$ red socks, $4$ green socks and $3$ blue socks. You choose $2$ socks. The probability that they are of the same colour is $1/5$ $7/30$ $1/4$ $4/15$
Arjun
asked
in
Quantitative Aptitude
Feb 27, 2017
by
Arjun
9.2k
points
gate2017-ee-2
numerical-ability
probability
conditional-probability
0
votes
0
answers
12
GATE Electrical 2017 Set 2 | Question: 40
A person decides to toss a fair coin repeatedly until he gets a head. He will make at most $3$ tosses. Let the random variable $Y$ denote the number of heads. The value of $\text{var} \{Y\}$, where $\text{var} \{ \cdot \}$ denotes the variance, equals $\frac{7}{8} \\$ $\frac{49}{64} \\$ $\frac{7}{64} \\$ $\frac{105}{64}$
Arjun
asked
in
new
Feb 27, 2017
by
Arjun
9.2k
points
gate2017-ee-2
probability-and-statistics
probability
random-variable
variance
1
vote
1
answer
13
GATE Electrical 2017 Set 2 | Question: 1
An urn contains $5$ red balls and $5$ black balls. In the first draw, one ball is picked at random and discarded without noticing its colour. The probability to get a Red ball in the second draw is $\frac{1}{2} \\$ $\frac{4}{9} \\$ $\frac{5}{9} \\$ $\frac{6}{9} $
Arjun
asked
in
new
Feb 27, 2017
by
Arjun
9.2k
points
gate2017-ee-2
probability-and-statistics
probability
conditional-probability
0
votes
0
answers
14
GATE Electrical 2017 Set 1 | GA Question: 5
The probability that a $k$-digit number does NOT contain the digits $0, 5$ or $9$ is $0.3^{k}$ $0.6^{k}$ $0.7^{k}$ $0.9^{k}$
Arjun
asked
in
Quantitative Aptitude
Feb 27, 2017
by
Arjun
9.2k
points
gate2017-ee-1
numerical-ability
probability
0
votes
0
answers
15
GATE Electrical 2013 | Question: 61
What is the chance that a leap year, selected at random, will contain $53$ Saturdays? $2/7$ $3/7$ $1/7$ $5/7$
piyag476
asked
in
Quantitative Aptitude
Feb 12, 2017
by
piyag476
1.5k
points
gate2013-ee
numerical-ability
probability
leap-year
0
votes
0
answers
16
GATE Electrical 2013 | Question: 11
A continuous random variable $X$ has a probability density function $f(x)=e^{-x}, 0< x< \infty$. then $P\{X> 1\}$ $0.368$ $0.5$ $0.632$ $1.0$
piyag476
asked
in
Probability & Statistics
Feb 12, 2017
by
piyag476
1.5k
points
gate2013-ee
probability-and-statistics
probability
random-variable
probability-density-function
0
votes
0
answers
17
GATE Electrical 2014 Set 3 | Question: 4
Lifetime of an electric bulb is a random variable with density $f(x)=kx^2$ , where $x$ is measured in years. If the minimum and maximum lifetimes of bulb are $1$ and $2$ years respectively, then the value of $k$ is ________.
makhdoom ghaya
asked
in
Probability & Statistics
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-3
probability-and-statistics
probability
random-variable
probability-density-function
numerical-answers
0
votes
0
answers
18
GATE Electrical 2014 Set 2 | Question: 27
Let $X$ be a random variable with probability density function $f(x)=\begin{cases} 0.2,& \text{for } \mid x \mid \leq 1\\ 0.1,& \text{for }1< \mid x \mid \leq 4\\ 0 & \text{otherwise } \end{cases} \\$ The probability $P(0.5 < X < 5)$ is ______.
makhdoom ghaya
asked
in
Probability & Statistics
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-2
probability-and-statistics
probability
random-variable
probability-density-function
numerical-answers
1
vote
1
answer
19
GATE Electrical 2014 Set 2 | Question: 2
Consider a dice with the property that the probability of a face with $n$ dots showing up is proportional to $n$. The probability of the face with three dots showing up is ________.
makhdoom ghaya
asked
in
Probability & Statistics
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-2
probability-and-statistics
probability
1
vote
0
answers
20
GATE Electrical 2014 Set 1 | Question: 27
A fair coin is tossed $n$ times. The probability that the difference between the number of heads and tails is $(n-3)$ is $2^{-n}$ $0$ $^{n}C_{n-3}2^{-n}$ $2^{-n+3}$
makhdoom ghaya
asked
in
Probability & Statistics
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2014-ee-1
probability-and-statistics
probability
coins
0
votes
0
answers
21
GATE Electrical 2015 Set 2 | Question: 27
Two coins $R$ and $S$ are tossed. The $4$ joint events $H_{R}H_{S}, T_{R}T_{S}, H_{R}T_{S}, T_{R}H_{S}$ have probabilities $0.28, 0.18, 0.30, 0.24$, respectively, where $H$ represents head and $T$ represents tail. Which one of the ... is TRUE? The coin tosses are independent. $R$ is fair, $S$ is not. $S$ is fair, $R$ is not. The coin tosses are dependent.
makhdoom ghaya
asked
in
Probability & Statistics
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2015-ee-2
probability-and-statistics
probability
0
votes
1
answer
22
GATE Electrical 2015 Set 1 | Question: 29
Two players, $A$ and $B$, alternately keep rolling a fair dice. The person to get a six first wins the game. Given that player $A$ starts the game, the probability that $A$ wins the game is $5/11$ $1/2$ $7/13$ $6/11$
makhdoom ghaya
asked
in
Probability & Statistics
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2015-ee-1
probability-and-statistics
probability
conditional-probability
0
votes
0
answers
23
GATE Electrical 2015 Set 1 | Question: 1
A random variable $X$ has probability density function $f(x)$ as given below: $ f(x)= \begin{cases} a+bx & \text{ for } 0 < x < 1 \\ 0 & \text{otherwise} \end{cases}$ If the expected value $E[x] = 2/3$, then $Pr[x < 0.5]$ is __________.
makhdoom ghaya
asked
in
Probability & Statistics
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2015-ee-1
probability-and-statistics
probability
random-variable
probability-density-function
expectation
numerical-answers
0
votes
0
answers
24
GATE Electrical 2015 Set 1 | GA Question: 9
The probabilities that a student passes in Mathematics, Physics, and Chemistry are $m, p,$ and $c$ respectively. Of these subjects, the student has $75\%$ chance of passing in at least one, a $50\%$ ... $II$ is true. Relations $II$ and $III$ are true. Relations $I$ and $III$ are true.
makhdoom ghaya
asked
in
Quantitative Aptitude
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2015-ee-1
numerical-ability
probability
0
votes
0
answers
25
GATE Electrical 2015 Set 1 | GA Question: 5
Given set $A=\left\{ 2, 3, 4, 5\right\}$ and set $B=\left\{ 11, 12, 13, 14, 15\right\}$, two numbers are randomly selected, one from each set. What is the probability that the sum of two numbers equal $16$? $0.20$ $0.25$ $0.30$ $0.33$
makhdoom ghaya
asked
in
Quantitative Aptitude
Feb 12, 2017
by
makhdoom ghaya
9.3k
points
gate2015-ee-1
numerical-ability
probability
0
votes
0
answers
26
GATE Electrical 2016 Set 2 | Question: 33
Let the probability density function of a random variable, $X$, be given as: $f_{x}(x)=\frac{3}{2}e^{-3x}u(x)+ae^{4x}u(-x)$ where u(x) is the unit step function. Then the value of 'a' and prob $\left\{X \leq 0\right\}$, respectively are $2, \frac{1}{2}$ $4, \frac{1}{2}$ $2, \frac{1}{4}$ $4, \frac{1}{4}$
makhdoom ghaya
asked
in
Probability & Statistics
Jan 30, 2017
by
makhdoom ghaya
9.3k
points
gate2016-ee-2
probability-and-statistics
probability
random-variable
probability-density-function
0
votes
0
answers
27
GATE Electrical 2016 Set 2 | GA Question: 9
Shaquille 'O' Neal is a $60\%$ career free throw shooter, meaning that he successfully makes $60$ free throws out of $100$ attempts on average. What is the probability that he will successfully make exactly $6$ free throws in $10$ attempts? $0.2508$ $0.2816$ $0.2934$ $0.6000$
makhdoom ghaya
asked
in
Quantitative Aptitude
Jan 30, 2017
by
makhdoom ghaya
9.3k
points
gate2016-ee-2
numerical-ability
probability
conditional-probability
0
votes
0
answers
28
GATE Electrical 2016 Set 1 | Question: 26
Candidates were asked to come to an interview with $3$ pens each. Black, blue, green and red were the permitted pen colours that the candidate could bring. The probability that a candidate comes with all $3$ pens having the same colour is _________.
makhdoom ghaya
asked
in
Probability & Statistics
Jan 30, 2017
by
makhdoom ghaya
9.3k
points
gate2016-ee-1
probability-and-statistics
probability
conditional-probability
numerical-answers
To see more, click for the
full list of questions
or
popular tags
.
Ask a Question
Welcome to GATE Overflow, Electrical, where you can ask questions and receive answers from other members of the community.
Follow @csegate
Gatecse
Search GO Electrical