#6 Please answer. Hypotheses and summary sample statistics are given for a test for a proportion. Test H0 : p=0.5 vs Ha : p

#6  Please answer.

Hypotheses and summary sample statistics are given for a test for a proportion.

Test

H0 : p=0.5

 vs

Ha : p<>

 when the sample has

p^=0.42

 and

n=80

.

Find the value of the standardized
z-test statistic and then use the standard normal distribution to find the
p-value.

Round your answers to three decimal places.

z-test statistic =

Enter your answer; z-test statistic

p-value =

What is the conclusion using a 5% significance level?