21 A recent survey ask women if they felt overweight Of 127

21) A recent survey ask women if they felt overweight. Of 127 women interviewed, 40 said they felt overweight. At 1 % level, test the hypothesis that the population proportion of women who felt overweight differs from 35%. a) State Ho and Hi b) Calculate the test statistic c) Find the p-value d) Give the statistical decision e) Give the conclusion

Solution

a) Test of p = 0.35 vs p < 0.35

b) T=   -0.83

c) p-value  0.204

d) accept H0