(Choose 1 answer)
(See picture)
A. 11
B. 15
C. 4
D. 16
If the manager of a bottled water distributor wants to estimate, with 95%confidence, the mean amount of water in a 1-gallon bottle to within +0.005 gallon and also assumes that the standard deviation is 0.01 gallon, what sample size is needed?
Let Z0.025 1.96 and 20.05 =1.64.
FUO
32
