Solution Found!
If x is a binomial random variable, calculate ?, ?2, and ?
Chapter 4, Problem 45E(choose chapter or problem)
QUESTION:
If x is a binomial random variable, calculate \(\mu,\ \sigma^2,\ \text{and}\ \sigma\) for each of the following:
a. n = 25, p = .5
b. n = 80, p = .2
c. n = 100, p = .6
d. n = 70, p = .9
e. n = 60, p = .8
f. n = 1,000, p = .04
Questions & Answers
QUESTION:
If x is a binomial random variable, calculate \(\mu,\ \sigma^2,\ \text{and}\ \sigma\) for each of the following:
a. n = 25, p = .5
b. n = 80, p = .2
c. n = 100, p = .6
d. n = 70, p = .9
e. n = 60, p = .8
f. n = 1,000, p = .04
ANSWER:Step 1 of 7
Let x follows the Binomial distribution with the probability mass function
P(X = x) = 
, n = 0, 1, 2, …, n.
Where, 
= np
= npq , p = 1 - q and
= 