Chapter 6, Problem 5P

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8th Edition

Frederick J Gravetter + 1 other

ISBN: 9781133956570

Textbook Problem

Draw a vertical line through a normal distribution for each of the following z-score locations. Determine whether the tail is on the right or left side of the line and find the proportion in the body.

**a.***z =*2.50**b.**z = 0.80**c.***z=*−0.50**d.**z = −0.77

**a.**

To determine

**To Find:** The proportion in body when

Explanation

**Given Info:**

Proportion in body follows a normal distribution with z-score equal to 2.5.

**Calculation:**

Since, Z represents the standard normal variate. So, probability that z score is equal to 2.5 is obtained by z-table...

**b.**

To determine

**To Find:** The proportion in the bodywhen

**c.**

To determine

**To Find:** The proportion in the body when

**d.**

To determine

**To Find:** The proportion in the body when

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