Author Question: When a group is truly selected randomly from a population, the probability of its mean value being ... (Read 147 times)

urbanoutfitters · **on:** Jun 20, 2018

When a group is truly selected randomly from a population, the probability
of its mean value being higher than the parameter mean is

a. 0.00
b. .50
c. 1.00
d. .33

Question 2

Regardless of whether a test is one-tailed or two-tailed, shaded region(s) on the distribution can't be more than _____ of the distribution.

a. 1
b. 2.5
c. 5
d. 10