Question: *Only need help with D please. Given a normal distribution with =50 and =4, and given you select a sample of n=100, complete parts(a) through(d).

*Only need help with D please. Given a normal distribution with =50 and =4, and given you select a sample of n=100, complete parts(a) through(d).

a. What is the probability that X is less than 49?

P(X<49)=

0.0062

0.0062

b. What is the probability that X is between 49 and 51.5?

P(49

0.9932

0.9932

c. What is the probability that X is above 50.8?

P(X>50.8)=

0.0228

d. There is a 40% chance that X is above whatvalue?

X=

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