Question

Given a normal distribution with

μ=50

and

σ=5​,

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​)=

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

​P(49<X<51.5​)=

c. What is the probability that X is above 50.9​?

​P(X>50.9​)=

d. There is a 30​% chance that X is above what​ value?

X=

Answer 1

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