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 an 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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The Answer of 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 an 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.

A Recent Study Investigated the Effects of a "Buckle Up