An increase in the number of skin cancer cases has raised the awareness of the importance on
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An increase in the number of skin cancer cases has raised the awareness of the importance on wearing sunscreen for protection. Suppose the Skin Cancer Foundation surveyed 75 men and found that 35 had not applied sunscreen in the past 12 months. A random sample of 80 women found that 23 had not applied sunscreen during the past year.
a. Using α = 0.01, can we conclude that the proportion of men who have not applied sunscreen during the past year is different than the proportion of women?
b. Determine the p-value for the chi-square test statistic using Excel and interpret its meaning.
c. Confirm your results using p-value.
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