Conclude that cream will improve skin of more women

Assignment Help Basic Statistics

Reference no: EM13157661

Suppose 39 women used skin cream for 22 weeks. At the end of the period, a dermatologist judged whether each womam exhibited skin improvement. The results show that 22 women improved. Do the data provide sufficient evidence to conclude that the cream will improve the skin of more than 50% of women? Test using α=0.05 and the p-value method.

Reference no: EM13157661

Questions Cloud

Find probability of type one error then state conclusion : Infers that less than 60% of the items are sold within 1 week. Find the probability of the type I error, then state your conclusion in words of the problem at a level of significance of 0.07.

Subject-verb agreement and verb tenses : What lessons on subject-verb agreement and verb tenses have you learned that will change the way you write? How will these lessons improve your writing?

Balance in eve prepaid insurance problem : Eve's Apples opened business on January 1, 2012, and paid for two insurance policies effective that date. The liability policy was $63,000 for eighteen-months, and the crop damage policy was $24,000 for a two-year term. What was the balance in Eve..

Find a work of visual art-architecture : Find a work of visual art, architecture, or literature from either Ancient Greece or Rome that appeals to you. Carefully study your choices and conduct any extra research necessary to ensure that you do not confuse the subject of the work with the..

Conclude that cream will improve skin of more women : Do the data provide sufficient evidence to conclude that the cream will improve the skin of more than 50% of women? Test using α=0.05 and the p-value method.

How many moles of oxygen are required : If 4.50 moles of ethane, C2H6 undergo combustion,according to the unbalanced equation C2H6+O2--> CO2+H2O, how many moles of oxygen are required?

What is the social optimum quantity and price : what is the social optimum quantity and price. If the government uses a tax to get producers to internalize the externality what is the net price recieved by producers

How many grams of are cah2 needed : How many grams of CaH2 (Molar Mass = 42.1 g/mol)are needed to generate 16.0 L of H2 gas if the pressure of H2 is 729 torr at 21.0°C?

Employee theft and poor inventory control are equally likely : Employee theft or poor inventory control and that employee theft and poor inventory control are equally likely? Use the .02 significance level.

User Account

All Pages