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A drug testing company provides a test for marijuana use. Among 281 tested subjects, results from...

A drug testing company provides a test for marijuana use. Among 281 tested subjects, results from 27 subjects were wrong. Test the claim that less than 10% of the test results were wrong. Use a 0.05 significance level.

1) State the Null Hypothesis, Alternate Hypothesis, type of test & level of significance (2 pts)

2)    Check the conditions. (2 pts)

3)    Compute the sample test statistic. Then find the P-value. (16 pts)

4) Decide whether to REJECT or FAIL TO REJECT the Null Hypothesis. Explain your answer. (2 pts)

5)    Interpret the conclusion. (2 pts)

Math   Statistics-And-Probability   
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