Question: Pediatric Exercise Science (Feb. 1995) published an article on the behavior of parents at competitive youth gymnastic meets. On the basis of a survey of

Pediatric Exercise Science (Feb. 1995) published an article on the behavior of parents at competitive youth gymnastic meets. On the basis of a survey of the gymnasts, the researchers estimated the probability of a parent "yelling" at his or her child before, during, or after the meet as .05. In a random sample of 20 parents attending a gymnastics meet, find the probability that at least 1 parent yells at his or her child before, during, or after the meet.

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