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Recent questions tagged expectation
2
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1
Memory Based GATE DA 2024 | Question: 1
Consider the probability density function \(f(x) = \lambda e^{-\lambda x}\) for \(x \geq 0\) and \(\lambda > 0\). Determine the value of \(\lambda\) such that \(5E(x) = V(x)\).
GO Classes
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Probability
Feb 4
by
GO Classes
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gate2024-da-memory-based
goclasses
probability
expectation
numerical-answers
1
vote
0
answers
2
Memory Based GATE DA 2024 | Question: 15
Consider the joint probability density function given by: $ f(x, y)= \begin{cases} 2xy & \text{if } 0 < x < 2 \text{ and } 0 < y < x \\ 0 & \text{otherwise} \end{cases} $ \noindent Determine the conditional expectation $E(Y | X = 1.5)$.
GO Classes
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Probability
Feb 4
by
GO Classes
191
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gate2024-da-memory-based
goclasses
probability
expectation
numerical-answers
1
vote
1
answer
3
Made Est Test Series : How to find the expected number of dice rolls required to get 2 consecutive sixes? Can someone please explain an easy way to tackle such questions.
tishhaagrawal
asked
in
Probability
Dec 4, 2023
by
tishhaagrawal
464
views
expectation
probability
engineering-mathematics
gateforum-test-series
0
votes
0
answers
4
Expectation of Random Variable
Consider a quiz where a person is given two questions and he must decide which question to answer first. Question 1 will be answered correctly with probability of 0.8 and the person will then receive as prize \ ... we sum P(X=0) + P(X=100) + P(X= 200) + P(X=300) = 2 Where I am getting wrong?
Chaitanya Kale
asked
in
Mathematical Logic
May 10, 2023
by
Chaitanya Kale
351
views
probability
expectation
random-variable
engineering-mathematics
0
votes
1
answer
5
Made Easy Mock -1
how to approach this question?
TusharKumar
asked
in
Probability
Dec 30, 2022
by
TusharKumar
593
views
numerical-answers
made-easy-test-series
probability
expectation
1
vote
1
answer
6
Probability Doubt
The expected number of times a 6 appears when a fair die is rolled 10 times is equal to?
Manisha Jaishwal
asked
in
Probability
Dec 10, 2022
by
Manisha Jaishwal
772
views
probability
expectation
0
votes
2
answers
7
TIFR CSE 2022 | Part A | Question: 2
We would like to invite a minimum number $n$ of people (their birthdays are independent of each other) to a party such that the expected number of pairs of people that share the same birthday is at least $1.$ What should $n$ be? (Ignore leap years, so ... birthdays fall with equal probability on each of the $365$ days of the year.) $23$ $28$ $92$ $183$ $366$
admin
asked
in
Probability
Sep 1, 2022
by
admin
771
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tifr2022
probability
expectation
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