42
(Choose 1 answer)
Let
Zo.05 = 1.65, 20.025 = 1.96,to.05,39 1.68, to.025,39 = 2.02.
A group of 40 bowlers showed that their average score was 192.Assume the population standard deviation is 8.Assume that bowler's scores are normally distributed. Find the 95%confidenceinterval of the mean score of all bowlers
A. (189.5, 194.5)
B. None of the other choices is correct
FUO fini