(1 point) A new cream that advertises that it can reduce wrinkles and improve skin was subject to a recent study. A samp
Posted: Mon May 09, 2022 12:03 pm
(1 point) A new cream that advertises that it can reduce wrinkles and improve skin was subject to a recent study. A sample of 47 women over the age of 50 used the new cream for 6 months. Of those 47 women, 32 of them reported skin improvement(as judged by a dermatologist). Is this evidence that the cream will improve the skin of more than 40% of women over the age of 50? Test using a = 0.05. test statistics z = The final conclustion is OA. There is not sufficient evidence to reject the null hypothesis that p = 0.4. That is, there is not sufficient evidence to reject that the cream can improve the skin of more than 40% of women over 50. B. We can reject the null hypothesis that p = 0.4 and accept that p > 0.4. That is, the cream can improve the skin of more than 40% of women over 50.