Additional Information and Full Hypothesis Test Examples · Exercise 40
For each of the word problems, use a solution sheet to do the hypothesis test. The solution sheet is found in. Please feel free to make copies of the solution sheets. For the online version of the book, it is suggested that you copy the.doc or the.pdf files.
According to New York City's Community Health Survey, the most recent adult smoking rate is 12%. Suppose that a survey is conducted to determine this year’s rate. Nine out of 70 randomly chosen N.Y. City residents reply that they smoke. Conduct a hypothesis test to determine if the rate is still 12% or if it has decreased.
This is an open-ended exercise: its source gives no single answer.
OpenStax, Introductory Statistics 2e · §9.5 Additional Information and Full Hypothesis Test Examples · Exercise 40
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