Postpartum depression and anxiety PPD is a common medical condition affecting mothers and their families after the birth of a baby The CDC estimated that 15 of women who have recently given birth suffer from PPD However this research only reflected self reported cases Therefore one group dedicated to helping women and their families with PPD believes that the true percentage of women who suffer from PPD is much higher The group conducts a simple random sample of 108 women who had given birth in the last year and discovers that 23 of them report having PPD Based on this evidence can the group claim that the true percentage of women who have PPD is greater than 15 Use a 0 05 level of significance Step 3 of 3 Draw a conclusion and interpret the decision Answer Tables Keypad Keyboard Shortcuts We fail to reject the null hypothesis and conclude that there is insufficient evidence at a 0 05 level of significance that the true percentage of women who have PPD is greater than 15 We fail to reject the null hypothesis and conclude that there is sufficient evidence at a 0 05 level of significance that the true percentage of women who have PPD is greater than 15 We reject the null hypothesis and conclude that there is sufficient evidence at a 0 05 level of significance that the true percentage of women who have PPD is greater than 15 We reject the null hypothesis and conclude that there is insufficient evidence at a 0 05 level of significance that the true percentage of women who have PPD is greater than 15