1. A Pew Poll taken in 2010 surveyed 830 randomly selected people ages 18 – 29, and found that 166 of them had one or more tattoos. Based on the sample data, can you conclude that the percentage of people aged 18 – 29 who have a tattoo is less than 25%? Use a 1% level of significance. a. Define the population proportion to be tested and write the null and alternative hypotheses. b. Check the conditions required for the test. c. Compute the test statistic.

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1. A Pew Poll taken in 2010 surveyed 830 randomly selected people ages 18 – 29, and found that
166 of them had one or more tattoos. Based on the sample data, can you conclude that the
percentage of people aged 18 – 29 who have a tattoo is less than 25%? Use a 1% level of
significance.
a. Define the population proportion to be tested and write the null and alternative hypotheses.
b. Check the conditions required for the test.
c. Compute the test statistic.
Transcribed Image Text:1. A Pew Poll taken in 2010 surveyed 830 randomly selected people ages 18 – 29, and found that 166 of them had one or more tattoos. Based on the sample data, can you conclude that the percentage of people aged 18 – 29 who have a tattoo is less than 25%? Use a 1% level of significance. a. Define the population proportion to be tested and write the null and alternative hypotheses. b. Check the conditions required for the test. c. Compute the test statistic.
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