Question: 3.A certain population has an income distribution given by a normal random variable whose mean is $35000 and whose standard deviation is $7500. (a)What is

3.A certain population has an income distribution given by a normal random variable whose mean is $35000 and whose standard deviation is $7500.

(a)What is the probability that a randomly selected person has an income less than $19000?

(b)What is the probability that a randomly selected person has an income of at least $35000?

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