Question 1178418
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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] =blue (-.4)/blue(.62/sqrt(106))}}} = -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.
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