The number of music CDs sold weekly by a store follows a nor

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? There is an 84% chance that the shop sells more than 390 CDs in a week. There is a 34% chance that the shop sells more than 390 CDs in a week. There is a 34% chance that the shop sells fewer than 390 CDs in a week. There is a 68% chance that the shop sells fewer than 390 CDs in a week. There is a 95% chance that the shop sells more than 390 CDs in a week.

Solution

answer is there is 68% chance that the shop sells fewer than 390 cds in a week