42
Let
Zo.05 = 1.65, 20.025 = 1.96,to.05,39 1.68, to.025,39 = 2.02.
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
C. (186.5, 197.5)
D. (188.5, 195.6)
Ε. (187.3, 196.1)
FUO fini