☑Kizspy.me
(Choose 1 answer)
☐ A
A. 0.9099
☐ C
B. 0.0901
☐ D
C. 0.0606
☐ E
D. 0.9394
The weight of an energy bar is approximately normally distributed with a mean of 35 grams with a standard
deviation of 5 gram. If a sample of 20 energy bars is selected, what is the probability that the sample mean
weight is more than 33.5 grams?
Let P(z<-1.55) = 0.0606; P(z <-1.34) = 0.0901; P(z < 1.55) = 0.9394; P(z< 1.34)= 0.9099
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