Kizspy | Question: 18
(Choose 1 answer)
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
Α. 0.9394
Β. 0.9099
C. 0.0901
D. 0.0606
E. None of the other choices is correct
