Question: Assume a normal distribution and find the following probabilities. (Round the values of z to 2 decimal places. Round your answers to 4 decimal places.)

Assume a normal distribution and find the following probabilities.

(Round the values of z to 2 decimal places. Round your answers to 4 decimal places.)

(a)P(x<19|=21and=4)

(b)P(x46|=30and=7)

(c)P(x>28|=30and=6)

(d)P(15<x<20|=19and=4)

(e)P(x103|=90and=2.82)

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