Mathematics
Mathematics, 13.12.2019 04:31, alexkrol10

Anew cream that advertises that it can reduce wrinkles and improve skin was subject to a recent study. a sample of 53 women over the age of 50 used the new cream for 6 months. of those 53 women, 44 of them reported skin improvement (as judged by a dermatologist). is this evidence that the cream will improve the skin of more than 50% of women over the age of 50? test using α= 0.05.(a) test statistic: = ) critical value = ) the final conclusion is: a. there is not sufficient evidence to reject the null hypothesis that p = 0.5. that is, there is not sufficient evidence to reject that the cream can improve the skin of more than 50% of women over 50.b. we can reject the null hypothesis that p = 0.5 and accept that p > 0.5. that is, the cream can improve the skin of more than 50% of women over 50.

answer
Answers: 1

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 15:30, LadyHolmes67
When i add money am i supposed to make it like this 7+12 or 7.00+12.00 because i got 19 dollars for my answer
Answers: 2
image
Mathematics, 21.06.2019 17:00, figueroajorge8291
Joseph haydn pet store offers wide variety of leashes for dogs. the store purchases one popular type of leash from its manufacturer for $4.38 each. joseph haydn pets marks up leashes at a rate of 238% of cost. what is the retail price of the popular leash?
Answers: 1
image
Mathematics, 21.06.2019 17:30, Vampfox
Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?
Answers: 1
image
Mathematics, 21.06.2019 19:00, vhs35
What is the factored form of the following expressions? d^2 – 13d + 36
Answers: 2
Do you know the correct answer?
Anew cream that advertises that it can reduce wrinkles and improve skin was subject to a recent stud...

Questions in other subjects: