## [answered] A normal population has a mean of 22 and a standard deviati

A normal population has a mean of 22 and a standard deviation of 4.

a. Compute the z value associated with 26. (Round your answer to 2 decimal places.)

Z

b. What proportion of the population is between 22 and 26? (Round z-score computation to 2 decimal

Proportion

c.

What proportion of the population is less than 19? (Round z-score computation to 2 decimal places

Proportion

A Normal Distribution

? = 22

?=4

for x = 26, Standardized value of z-score is given by:

z=

z= x??

? 26 ? (22)

= 1.00

4 for x = 26, z = 1

This is 1 standard deviations above the mean.

99.7%...

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This question was answered on: Sep 18, 2020

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