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...

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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.

Answered Same DayDec 23, 2021

Answer To: A population is normally distributed with 100 and s20. a. Find the probability that a value...

Robert answered on Dec 23 2021

132 Votes

A population is normally distributed with
100 and s
20.
a. Find the probability that a value randomly selected from this population will have a value greater than 130.
Let X be the population variable
P(X >130) = P(z >(130-100)/20) = P(z >1.5) = 0.06681
b. Find the probability that a...

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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...

Answer To: A population is normally distributed with 100 and s20. a. Find the probability that a value...

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