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Recent questions tagged expectation
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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 __________ $2.5$ $5.0$ $25.0$ $50.0$
asked
Feb 20
in
Numerical Ability
by
Arjun
(
7.8k
points)
gateee2021
numericalability
probability
probabilitydensityfunction
expectation
0
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0
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2
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 __________.
asked
Feb 12, 2017
in
Probability & Statistics
by
makhdoom ghaya
(
9.3k
points)
gate2015ee1
probabilityandstatistics
probability
randomvariable
probabilitydensityfunction
expectation
numericalanswers
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