The fat content of a pouch of Keebler Right Bites © Fudge Shoppe © Mini-Fudge Stripes is normally distributed with a mean of 3.50 grams. Assume a known standard deviation of - 0.25 gram.
(a) What is the standard error of X-bar, the mean weight from a random sample of 10 pouches of cookies?
(b) Within what interval would you expect the sample mean to fall, with 95 percent probability?