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Homework Help: university of phoenix

Posted by shirley on Tuesday, November 29, 2011 at 12:15am.

4.Suppose you administered an anxiety test to a large sample of people and obtained normally distributed scores with a mean of 45 and standard deviation of 4. Do not use web-calculator to answer the following questions. Instead, you need to use the Z distribution table in Appendix A in Jackson’s book.

d.There are 200 students in a sample. How many of these students will have scores that fall under the score of 41?

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