Question

A random sample of 121 bottles of cologne showed an average content of 4 ounces. It is known that the standard deviation of the contents (i.e., of the population) is 0.22 ounces. The point estimate of the mean content of the bottles is:__________.

Select one:
a. 0.02
b. 0.22
c. 121
d. 4

Answer 1

option D is correct, 4 ounces.

Explanation:

In this case we have a random sample of 121 cologne bottles that showed an average content of 4 ounces.

The point estimate of the mean content of the bottles is average value.

What 4 ounces means is the correct answer since this is the mean, therefore the option D is correct