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Human body temperatures are normally distributed with a mean

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Human body temperatures are normally distributed with a mean of 98.6 F and a standard deviation of 0.72 F. Find the temperature that seperates the top 7% from the bottom 93%. Show all work

Hi there,

 

The z value for the top 7% is (from a table):

1.476

 

The formula is:

x = z*s + mu

= 1.476*0.72 + 98.6

= 99.66272

 

Let me know if you have any questions,

Scott

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