Author Question: A television station claims that the amount of advertising per hour of broadcast time has an average ... (Read 110 times)

c0205847 · **on:** Jul 24, 2018

A television station claims that the amount of advertising per hour of broadcast time has an average of 16 minutes and a standard deviation equal to 1.4 minutes.

You watch the station for 1 hour, at a randomly selected time, and carefully observe that the amount of advertising time is equal to 8 minutes. Calculate the z-score for this amount of advertising time. A) z = -5.71 B) z = 5.71 C) z = -0.41 D) z = 0.41

Question 2

Classify the following random variable: telephone area codes

A) qualitative data B) experimental data
C) quantitative continuous data D) quantitative discrete data