SOLUTION: We have a sample of 106 body temperatures having a mean of 98.2°F. Assume that the sample is a simple random sample and that the population standard deviation is 0.62°F. (a) U

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Question 1178418: We have a sample of 106 body temperatures having a mean of 98.2°F. Assume that the sample is a simple random sample and that the population standard deviation is 0.62°F.
(a) Use a 0.05 significance level to test the common belief that the mean body temperature of healthy adults is equal to 98.6°F.
(b) Use the P-value method.

Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!


Hi

Ho:  p = 98.6 claim

Ha:  p ≤ 98.6

sample:  n = 106,  mean = 98.2  ,  population standard deviation is 0.62°F.

σ = 0.05, 0r   two-tailed: .925 t(df = 105) = 1.98) 

 t-value%5D+=blue+%28-.4%29%2Fblue%28.62%2Fsqrt%28106%29%29 = -6.64

|-6.64| > 1.98

p(t-value)... is for all practical purposes  0

0 < .05

Reject Ho: evidence not sufficient to support common belief that p = 98.6

Wish You the Best in your Studies.