Question: Given a normal distribution with = 50 and = 4, what is the probability that a. X > 43? b. X < 42?

Given a normal with μ = 50 and σ = 4, what is the probability that
a. X > 43?
b. X < 42?
c. 5% of the values are less than what X value?
d. Between what two X values (symmetrically distributed around the mean) are 60% of the values?

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