Calculate the expected value, the variance, and the standard deviation of the given random variable X. Please round your answers to two decimal places, if necessary.

X is the number of tails that come up when a coin is tossed two times.
$\mu = E ( X ) =$ __________
$\sigma ^ { 2 } =$ __________
$\sigma =$ __________

Question

Calculate the expected value, the variance, and the standard deviation of the given random variable X. Please round your answers to two decimal places, if necessary.
​
​X is the number of tails that come up when a coin is tossed two times.
​ $\mu = E ( X ) =$ __________
​ $\sigma ^ { 2 } =$ __________
​ $\sigma =$ __________

Quizplus · Accepted Answer

The Answer of Calculate the expected value, the variance, and the standard deviation of the given random variable X. Please round your answers to two decimal places, if necessary.
​
​X is the number of tails that come up when a coin is tossed two times.
​ $\mu = E ( X ) =$ __________
​ $\sigma ^ { 2 } =$ __________
​ $\sigma =$ __________

Calculate the Expected Value, the Variance, and the Standard Deviation μ=E(X)=\mu = E ( X ) =μ=E(X)=

Calculate the Expected Value, the Variance, and the Standard Deviation $\mu = E ( X ) =$