Suppose the life of a particular brand of calculator battery is approximately normally distributed with a mean of 75 hours and a standard deviation of 10 hours. if the manufacturer of the battery is able to reduce the standard deviation of battery life from 10 to 9 hours, what would be the probability that 16 batteries randomly sampled from the population will have a sample mean life of between 70 and 80 hours?

David and darlene jasper have one child, sam, who is 6 years old (birthdate july 1, 2011). the jaspers reside at 4639 honeysuckle lane, los angeles, ca 90248. david's social security number is 577-11-3311, darlene's is 477-98-4731, and sam's is 589-22-1142. david's birthdate is may 29, 1984 and darlene's birthday is january 31, 1986. david and darlene's earnings and withholdings for 2017 are:

Calculating and interpreting eps information wells fargo reports the following information in its 2015 form 10-k. in millions 2015 2014 wells fargo net income $24,005 $24,168 preferred stock dividends $1,535 $1,347 common stock dividends $7,400 $6,908 average common shares outstanding 5,136.5 5,237.2 diluted average common shares outstanding 5,209.8 5,324.4 determine wells fargo's basic eps for fiscal 2015 and for fiscal 2014. round answers to two decimal places.

If the reserve requirement is 10 percent, what amount of excess reserves does a bank acquire when a business deposits a $500 check drawn on another bank?