A new cream that advertises that it can reduce wrinkles and improve skin was subject to a recent study. A sample of 46 w

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A new cream that advertises that it can reduce wrinkles and improve skin was subject to a recent study. A sample of 46 w

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A new cream that advertises that it can reduce wrinklesand improve skin was subject to a recent study. A sampleof 46 women over the age of 50 used the new cream for 6months. Of those 46 women, 35 of them reportedskin improvement(as judged by a dermatologist). Is this evidencethat the cream will improve the skin of more than 5050% ofwomen over the age of 50? Test using α=0.05.
(a) Test statistic: z=
(b) Critical Value: z∗=
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