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What is normal, when it comes to people's body temperatures? A random sample of 130 human...

What is normal, when it comes to people's body temperatures? A random sample of 130 human body temperatures had a mean of 98.05° and a standard deviation of 0.77°. Does the data indicate that the average body temperature for healthy humans deviates from 98.6°, the usual average temperature cited by physicians and others?

Test using  α = 0.05.

State your conclusion.

a.

The test statistic does not lie in the rejection region so H0 is not rejected. There is insufficient evidence to indicate that the average body temperature for healthy humans deviates from 98.6°.
b.

The test statistic lies in the rejection region so H0 is rejected. There is sufficient evidence to indicate that the average body temperature for healthy humans deviates from 98.6°.    
c.

The test statistic lies in the rejection region so H0 is rejected. There is insufficient evidence to indicate that the average body temperature for healthy humans deviates from 98.6°.
d.

The test statistic does not lie in the rejection region so H0 is not rejected. There is sufficient evidence to indicate that the average body temperature for healthy humans deviates from 98.6°.
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