Select the correct answer.
The number of music CDs sold weekly by a store follows a normal distribution with a mean of 455 and a standard deviation of 65. Which sentence summarizes this information?
A.
There is an 84% chance that the shop sells more than 390 CDs in a week.
B.
There is a 34% chance that the shop sells more than 390 CDs in a week.
C.
There is a 34% chance that the shop sells fewer than 390 CDs in a week.
D.
There is a 68% chance that the shop sells fewer than 390 CDs in a week.
E.
There is a 95% chance that the shop sells more than 390 CDs in a week.

Respuesta :

Answer:

E. There is a 95% chance that the shop sells more than 390 CDs in a week.

Step-by-step explanation:

The sentence that summarizes the information about the number of music CDs sold weekly by a store with the mean of 455 and the standard deviation of 65 is: There is a 95% chance that the shop sells more than 390 CDs in a week.