A pharmaceutical company wanted to study the effectiveness of a new hair growth product in women. It recruited 1100 random women from the L.A. area and measured the length of their hair. They gave 500 women the new product in unmarked bottles to use over a 6-month period. The other 600 women received unmarked bottles with mostly water and fragrance to use over a 6-month period. None of the women knew which product they received. They found that 450 out of 500 women that received the new product showed hair growth of 1-2 inches. Only 90 out of 600 women that used the water/fragrance combination showed hair
A pharmaceutical company wanted to study the effectiveness of a new hair growth product in women. It recruited 1100 random women from the L.A. area and measured the length of their hair. They gave 500 women the new product in unmarked bottles to use over a 6-month period. The other 600 women received unmarked bottles with mostly water and fragrance to use over a 6-month period. None of the women knew which product they received. They found that 450 out of 500 women that received the new product showed hair growth of 1-2 inches. Only 90 out of 600 women that used the water/fragrance combination showed hair
Mathematics For Machine Technology
8th Edition
ISBN:9781337798310
Author:Peterson, John.
Publisher:Peterson, John.
Chapter27: Metric Units Of Linear Measure
Section: Chapter Questions
Problem 2A: Of the 2478 pieces manufactured one day, the inspector rejected 37 of them as defective. What...
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Transcribed Image Text:A pharmaceutical company wanted to study the effectiveness of a new hair growth
product in women. It recruited 1100 random women from the L.A. area and
measured the length of their hair. They gave 500 women the new product in
unmarked bottles to use over a 6-month period. The other 600 women received
unmarked bottles with mostly water and fragrance to use over a 6-month period.
None of the women knew which product they received. They found that 450 out of
500 women that received the new product showed hair growth of 1-2 inches. Only
90 out of 600 women that used the water/fragrance combination showed hair
growth of 1-2 inches.
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Transcribed Image Text:What percentage of women that did not receive the treatment showed hair growth
of 1-2 inches?
Answer:
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