Question: Parents with children list a GPS system (28%) and a DVD player (28%) as must have accessories for a road trip. Suppose a sample of

Parents with children list a GPS system (28%) and a DVD player (28%) as "must have" accessories for a road trip. Suppose a sample of n = 1000 parents are randomly selected and asked what devices they would like to have for a family road trip. Let ^p be the proportion of parents in the sample who choose either a GPS system or a DVD player.

a. If p = .28 + .28 = .56, what is the exact distribution of ? How can you approximate the distribution of ?
b. What is the probability that exceeds .6?
c. What is the probability that lies between .5 and .6?
d. Would a sample percentage of = .7 contradict the reported value of .56?

Must have ccessories To surive roa tipson family GPS DVI 28% player with the family parents consider a device and a DVD road trips 28% GPS navigationExta power | | supplies 7% Don't know 7% Extra cup holders 14% player essential. Folding/removable Roof rack 8% seating 8%

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