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(1 point) A new cream that advertises that it can reduce wrinkles and improve skin was subject to a recent study. A sample of 69 women over the age of 50 used the new cream for 6 months. Of those 69 women, 59 of them reported skin improvement(as judged by a dermatologist). Is this evidence that the cream will improve the skin of more than 60% of women over the age of 50? Test using a = 0.01 (a) Test statistic: z = (b) Critical Value: z+ = (c) The final conclusion is O A. There is not sufficient evidence to reject the null hypothesis thatp= 0.6. That is, there is not sufficient evidence to reject that the cream can improve the skin of more than 60% of women over 50. OB. We can reject the null hypothesis that p women over 50. 0.6 and accept that p > 0.6. That is, the cream can improve the skin of more than 60% of

(1 point) A new cream that advertises that it can reduce wrinkles and improve skin was subject to a recent study. A sample of 69 women over the age of 50 used the new cream for 6 months. Of those 69 women, 59 of them reported skin improvement(as judged by a dermatologist). Is this evidence that the cream will improve the skin of more than 60% of women over the age of 50? Test using a = 0.01 (a) Test statistic: z = (b) Critical Value: z+ = (c) The final conclusion is O A. There is not sufficient evidence to reject the null hypothesis thatp= 0.6. That is, there is not sufficient evidence to reject that the cream can improve the skin of more than 60% of women over 50. OB. We can reject the null hypothesis that p women over 50. 0.6 and accept that p > 0.6. That is, the cream can improve the skin of more than 60% of

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.1: Stem-and-leaf Plots And Histograms
Problem 2E
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(1 point) A new cream that advertises that it can reduce wrinkles and improve skin was subject to a recent study. A sample of 69 women over the age of 50 used the new cream for 6 months. Of those 69 women, 59 of them reported skin improvement(as judged by a dermatologist). Is this evidence that the cream will improve the skin of more than 60% of women over the age of 50? Test using a =0.01. (a) Test statistic: z = (b) Critical Value: z* = (c) The final conclusion is OA. There is not sufficient evidence to reject the null hypothesis thatp= 0.6. That is, there is not sufficient evidence to reject that the cream can improve the skin of more than 60% of women over 50. OB. We can reject the null hypothesis that p 0.6 and accept that p > 0.6. That is, the cream can improve the skin of more than 60% of women over 50.
Transcribed Image Text:(1 point) A new cream that advertises that it can reduce wrinkles and improve skin was subject to a recent study. A sample of 69 women over the age of 50 used the new cream for 6 months. Of those 69 women, 59 of them reported skin improvement(as judged by a dermatologist). Is this evidence that the cream will improve the skin of more than 60% of women over the age of 50? Test using a =0.01. (a) Test statistic: z = (b) Critical Value: z* = (c) The final conclusion is OA. There is not sufficient evidence to reject the null hypothesis thatp= 0.6. That is, there is not sufficient evidence to reject that the cream can improve the skin of more than 60% of women over 50. OB. We can reject the null hypothesis that p 0.6 and accept that p > 0.6. That is, the cream can improve the skin of more than 60% of women over 50.
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