Ask your own question, for FREE!
Mathematics 21 Online
OpenStudy (anonymous):

The stats report shows that the average amount of time spent by each customer per week on online shopping is 1 hour 20 minutes with a variance of 1225 minutes^2. Assume that the data are normally distributed. Calculate the probability that 9 randomly chosen customers will have a mean amount of time spend on online shopping between 35 minutes and 65 minutes in the second 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!