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Find the p-value for the following hypothesis test. H 0 : μ = 20 , H...

Find the p-value for the following hypothesis test. H 0 : μ = 20 , H 1 : μ < 20 , n = 64 , x ¯ = 18.75 , σ = 6.4.

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Answer #1

this is a left tailed test.

as the population sd is known we will do 1 sample z test for mean.

test statistic be:-

p value be:-

[ in any blank cell of excel type =NORMSDIST(-1.5625) press enter]

*** if you have any doubt regarding the problem please write it in the comment box.if you are satisfied please give me a LIKE if possible...

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