Ask your own question, for FREE!
Mathematics 10 Online
OpenStudy (anonymous):

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

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!