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Standard Normal Distribution. In Exercises,

Chapter 6, Problem 36BSC

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QUESTION:

Standard Normal Distribution. In Exercises 17–36, 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 A-2, round answers to four decimal places.

Less than 0

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QUESTION:

Standard Normal Distribution. In Exercises 17–36, 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 A-2, round answers to four decimal places.

Less than 0

ANSWER:

Answer:

Step 1:

           Assume that a randomly selected subject is given a bone density. Those test scores are normally   distributed with a mean of 0 and a standard deviation of 1. 

    Given the probability of score is less than 0.

     

   The type of test is determined by the Alternative Hypothesis ( H1 ):

   Left tailed test: 

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