Question: Recall from Activities 15-1 and 16-6 the study in which a sample of 124 kissing couples were observed, with 80 of them leaning their heads to the right.

1. Use these sample data to test whether or not more than half of the population of kissing couples lean their heads to the right. Report the hypotheses, test statistic, and \(p\) -value. Summarize your conclusion at the \(\alpha=.01\) significance level, and explain how your conclusion follows from
   your test.
2. Repeat part a, testing whether or not the population proportion of kissing couples who lean to the right is less than three-fourths.
3. Repeat part a, testing whether or not the population proportion of kissing couples who lean to the right differs from two-thirds.

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