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Standard Normal Distribution. In Exercises, | Ch 6.2 - 23BSC

Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola ISBN: 9780321836960 18

Solution for problem 23BSC Chapter 6.2

Elementary Statistics | 12th Edition

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Elementary Statistics | 12th Edition | ISBN: 9780321836960 | Authors: Mario F. Triola

Elementary Statistics | 12th Edition

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Problem 23BSC

Standard Normal Distribution. In Exercises, assume that a randomly selected subject is given a bone density test. Those test scores are normally distributed with a mean of 0 and a standard deviation of 1. In each case, draw a graph and find the probability of the given scores. If using technology instead of Table, round answers to four decimal places.

Greater than –1.50

Step-by-Step Solution:

Answer

Step 1 of 1 :

In finding the area under the standard normal curve,we can use the statistical tables at the black of your textbook or use your calculator.

In using the tables,remember this the area are reported as P(z <  x)    

Then,

P(z  > x) = 1- p(z < x)

P(a < z  < b) = p ( z < b) - p( z < a )

Applying this principle.

We assume that a randomly selected subject is given a bone density test.

Those test scores are normally distributed with a mean...

Step 2 of 3

Chapter 6.2, Problem 23BSC is Solved
Step 3 of 3

Textbook: Elementary Statistics
Edition: 12
Author: Mario F. Triola
ISBN: 9780321836960

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Standard Normal Distribution. In Exercises, | Ch 6.2 - 23BSC

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