Expected value, variance, standard deviation
Soft-drink volume in test
July 9, 2019Describe range, variance, standard deviation and calculate values
July 9, 2019Shown is a probabilitydistribution for the random variable
x f(x)
3 0.25
6 0.50
9 0.25
Total 1.00
a. Compute E(x), the expected value of x.
b. Compute o^2, the varianceof X
c. Compute o, the standard deviationof X.
Please see attached file.
Shown is a probability distribution for the random variable
x f(x)
3 0.25
6 0.50
9 0.25
Total 1.00
a. Compute …
The expected value, variance, and the standard deviation are calculated given the probability distribution for the random variable.
