How often do you watch movies at home? A USA Today Snapshot found that about 7 in 10 adults say they watch movies at home at least once a week. Suppose a random sample of n = 50 adults are polled and asked if they had watched a movie at home this week. Let us assume that p = .7 is, in fact, correct. What are the probabilities for the following events?

a. Fewer than 30 individuals watched a movie at home this week?

b. More than 42 individuals watched a movie at home this week?

c. Fewer than 10 individuals did not watch a movie at home this week?

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How Often We Do At-Home Movies Once a week or more 71% Every few weeks 11% Once a month 6% Every few months 4% Less often 8%