Author Question: Which of the following accurately describes the chi-square distribution? A) symmetrical with a ... (Read 94 times)

Shelles · **on:** Jun 20, 2018

Which of the following accurately describes the chi-square distribution?

A) symmetrical with a mean of zero
B) positively skewed with all values greater than or equal to zero
C) negatively skewed with all values greater than or equal to zero
D) symmetrical with a mean equal to n - 1

Question 2

For the normal approximation to the binomial distribution with n = 100 and p = 1/2, a score of X = 60 corresponds to a z-score of z = 2.00.

Indicate whether the statement is true or false