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Recent questions tagged random-variable
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Best Open Video Playlist for Random Variables Topic | Probability
Please list out the best free available video playlist for Random Variables Topic from Probability as an answer here (only one playlist per answer). We'll then select the best playlist and add to GO classroom video lists. ... standard ones are more likely to be selected as best. For the full list of selected videos please see here
makhdoom ghaya
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in
Study Resources
Aug 15, 2022
by
makhdoom ghaya
91
views
missing-videos
video-links
go-classroom
free-videos
random-variable
1
vote
0
answers
2
GATE Applied Mock Test
3 -1 1 2
yashpaneliya
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in
Probability
Jan 24, 2022
by
yashpaneliya
343
views
probability
normal-distribution
random-variable
variance
11
votes
1
answer
3
GATE CSE 2021 Set 2 | Question: 22
For a given biased coin, the probability that the outcome of a toss is a head is $0.4$. This coin is tossed $1,000$ times. Let $X$ denote the random variable whose value is the number of times that head appeared in these $1,000$ tosses. The standard deviation of $X$ (rounded to $2$ decimal place) is _________
Arjun
asked
in
Probability
Feb 18, 2021
by
Arjun
3.5k
views
gatecse-2021-set2
numerical-answers
probability
random-variable
1-mark
11
votes
2
answers
4
GATE CSE 2021 Set 1 | Question: 18
The lifetime of a component of a certain type is a random variable whose probability density function is exponentially distributed with parameter $2$. For a randomly picked component of this type, the probability that its lifetime exceeds the expected lifetime (rounded to $2$ decimal places) is ____________.
Arjun
asked
in
Probability
Feb 18, 2021
by
Arjun
5.6k
views
gatecse-2021-set1
probability
random-variable
numerical-answers
1-mark
7
votes
1
answer
5
GATE CSE 2021 Set 1 | Question: 35
Consider the two statements. $S_1:\quad$ There exist random variables $X$ and $Y$ such that $ \left(\mathbb E[(X-\mathbb E(X))(Y-\mathbb E(Y))]\right)^2>\textsf{Var}[X]\textsf{Var}[Y]$ $S_2:\quad$ For all random variables $X$ ... $S_2$ are true $S_1$ is true, but $S_2$ is false $S_1$ is false, but $S_2$ is true Both $S_1$ and $S_2$ are false
Arjun
asked
in
Probability
Feb 18, 2021
by
Arjun
4.3k
views
gatecse-2021-set1
probability
random-variable
difficult
2-marks
0
votes
1
answer
6
CMI-2018-DataScience-A: 5
$\text{Description for the following question:}$ If $Z$ is a continuous random variable which follows normal distribution with mean=$0$ and standard deviation=$1$, then $\mathbb{P}(Z\leq a)=\int^a _{-\infty} \frac{\exp\{\frac{-z^2}{2}\}}{\sqrt{2\pi}}dz=\Phi(a), $ ... .02 $\int^{18} _{-\infty} \frac{1}{\sqrt{2\pi .2^2}}\exp\{-\frac{1}{2}(\frac{x-24}{2})^2\}dx$
soujanyareddy13
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in
Others
Jan 29, 2021
by
soujanyareddy13
411
views
cmi2018-datascience
random-variable
probability
0
votes
0
answers
7
CMI-2018-DataScience-A: 6
$\text{Description for the following question:}$ If $Z$ is a continuous random variable which follows normal distribution with mean=$0$ and standard deviation=$1$, then $\mathbb{P}(Z\leq a)=\int^a _{-\infty} \frac{\exp\{\frac{-z^2}{2}\}}{\sqrt{2\pi}}dz=\Phi(a), $ ... more than 0.4 less than 0.5
soujanyareddy13
asked
in
Others
Jan 29, 2021
by
soujanyareddy13
216
views
cmi2018-datascience
random-variable
probability
0
votes
0
answers
8
CMI-2018-DataScience-A: 7
$\text{Description for the following question:}$ If $Z$ is a continuous random variable which follows normal distribution with mean=$0$ and standard deviation=$1$ ... than $26$ months approximately equals $16\%$ is more than $15\%$ is less than $14\%$ is between $10\%$ and $15\%$
soujanyareddy13
asked
in
Others
Jan 29, 2021
by
soujanyareddy13
172
views
cmi2018-datascience
random-variable
probability
2
votes
1
answer
9
ISI2015-MMA-51
A permutation of $1,2, \dots, n$ is chosen at random. Then the probability that the numbers $1$ and $2$ appear as neighbour equals $\frac{1}{n}$ $\frac{2}{n}$ $\frac{1}{n-1}$ $\frac{1}{n-2}$
Arjun
asked
in
Probability
Sep 23, 2019
by
Arjun
905
views
isi2015-mma
probability
random-variable
combinatory
2
votes
1
answer
10
Sheldon Ross, Chapter# 4 RANDOM VARIABLES, Q.51 (9th edition page#167)
If a student copies his assignments from his friend he would get 80 marks. If he had done the assignments independently he would have scored 50 marks out of 100 and if the teacher finds he is cheating he ... , what is the probability that he will lose more marks with copying than by doing his independent work independently?
Asim Siddiqui 4
asked
in
Probability
May 28, 2019
by
Asim Siddiqui 4
694
views
probability
sheldon-ross
random-variable
1
vote
1
answer
11
A FIRST COURSE IN PROBABILITY (SHELDON ROSS),CHAPTER 4 RANDOM VARIABLES, QUESTION#43
A carnival swing ride swings to the left with probability 0.4 and to the right with probability. If the ride stops after 10 swings, what is the probability that it is exactly at the place it started?
Asim Siddiqui 4
asked
in
Probability
May 27, 2019
by
Asim Siddiqui 4
577
views
probability
sheldon-ross
random-variable
2
votes
2
answers
12
Sheldon Ross, Chapter #4, Question #13
An airline operates a flight having 50 seats. As they expect some passenger to not show up, they overbook the flight by selling 51 tickets. The probability that an individual passenger will not show up is 0.01, independent of all other ... the airline has to pay a compensation of Rs.1lakh to that passenger. What is the expected revenue of the airline?
Asim Siddiqui 4
asked
in
Probability
May 21, 2019
by
Asim Siddiqui 4
602
views
probability
random-variable
sheldon-ross
0
votes
0
answers
13
Discrete random variable
Na462
asked
in
Probability
Feb 20, 2019
by
Na462
362
views
probability
random-variable
engineering-mathematics
0
votes
0
answers
14
Probability mass function
Suppose that the cdf of X is given by: F(a) ={ 0 for a < 0 1/5 for 0 ≤ a < 2 2/5 for 2 ≤ a < 4 1 for a ≥ 4. } Determine the pmf of X.
Na462
asked
in
Probability
Feb 19, 2019
by
Na462
363
views
engineering-mathematics
random-variable
0
votes
1
answer
15
Ace Test Series: Probability - Uniform Distribution
Na462
asked
in
Probability
Feb 2, 2019
by
Na462
683
views
random-variable
probability
expectation
uniform-distribution
ace-test-series
1
vote
1
answer
16
GeeksforGeeks
Suppose that the running time for each process in milliseconds is an exponential random variable with parameter λ=1/20. If process P1 arrives immediately ahead of the process P2 in the running state, then the probability that process P2 will have to wait more than 20 milliseconds is ... . A 0.274 B 0.324 C 0.428 D 0.368 How to approach this. even not able to understand the question.
Ashish Goyal
asked
in
Operating System
Jan 27, 2019
by
Ashish Goyal
557
views
engineering-mathematics
random-variable
probability
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