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A claim is made that 60% of students have tried smoking marijuana. You suspect that, in...

A claim is made that 60% of students have tried smoking marijuana. You suspect that, in fact, less than that have tried the drug. To test this claim, you sample 100 students and find that 51 have tried marijuana.

a) State the null and alternative hypotheses of the test.

b) Compute the relevant test statistic.

c) Use the Normal Distribution to find the P-value of the test

d) What is the conclusion of the test? Do you reject the null hypothesis?

Math   Statistics-And-Probability   
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