Author Question: The number of television sets produced from an assembly line each day is known to have a standard ... (Read 77 times)

ec501234 · **on:** Jun 24, 2018

The number of television sets produced from an assembly line each day is known to have a standard deviation of 17.4 sets per day. The production line averaged 452.3 sets per day for 20 randomly selected days.

Which of the following represents a 95 confidence interval for the population mean number of sets per hour?A) 452.3 9.4
B) 452.3 + 11.3
C) 452.3 13.8
D) 452.3 7.63

Question 2

A professor is looking for a volunteer for a project. She chooses the individual whose name is first in alphabetical order. This is an example of a simple random sample.

Indicate whether the statement is true or false