(Answered) A population is normally distributed with 100 and s20a find

Statistics

A population is normally distributed with 100 and s20.

a. Find the probability that a value randomly selected from this population will have a value greater than 130.

b. Find the probability that a value randomly selected from this population will have a value less than 90.

c. Find the probability that a value randomly selected from this population will have a value between 90 and 130.

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