Essay
A recent study investigated the effects of a "Buckle Up Your Toddlers" campaign to get parents to use the grocery cart seat belts.Investigators observed a simple random sample of parents in a large city, and found 192 out of 594 parents buckling up their toddlers. a)Compute a point estimate of the true proportion of all parents who buckle up their toddlers. b)Construct and interpret a 95% confidence interval for p , the true proportion of all parents who buckle up their toddlers.
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