SCENARIO 6-1
The number of column inches of classified advertisements appearing on Mondays in a certain daily newspaper is normally distributed with population mean of 320 and population standard deviation of 20 inches.
-Referring to Scenario 6-1,a single Monday is chosen at random.State in which of the following ranges the number of column inches of classified advertisement is most likely to be:
A)300 --320
B)310 --330
C)320 -- 340
D)330 -- 350

Question

Quizplus · Accepted Answer

The range 310-330 is centered around the mean (320) and is within one standard deviation (20 inches) from the mean, making it the most likely range for a normally distributed variable.

SCENARIO 6-1 the Number of Column Inches of Classified Advertisements Appearing on Appearing