You are conducting a study to see if the proportion of women over 40 who regularly...

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You are conducting a study to see if the proportion of women over 40 who regularly...

You are conducting a study to see if the proportion of women over 40 who regularly have mammograms is significantly different from 48%. With H₁ : p ≠≠ 48% you obtain a test statistic of z=−2.427z=-2.427. Find the p-value accurate to 4 decimal places.

p-value =

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Answer 1

Answer #1

Solution :

This is the two tailed test .

The null and alternative hypothesis is

H0 : p =0.48

Ha : p 0.48

z=-2.427

P(z < -2.427) = 0.0076 using z table

P-value = 2*0.0076=0.0152

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Answer 2

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