Author Question: The normal probability distribution is important because a large number of random variables observed ... (Read 45 times)

madam-professor · **on:** Jul 24, 2018

The normal probability distribution is important because a large number of random variables observed in nature possess a frequency distribution that is approximately a normal probability distribution.
Indicate whether the statement is true or false

Question 2

The z-value needed to construct a 97.8 confidence interval estimate for the difference between two population proportions is:
a. 2.33
b. 2.29
c. 2.02
d. 1.96
e. 1.65