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 Electronic communications. A Mintel study asked consumers if electronic communications devices influenced whether or not they bought a certain car. The table on the next page gives the results classified by household income: If we select a person at random from this sample:
(a) What is the probability that electronic communication devices somewhat influenced their decisions?
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Order Paper Now(b) What is the probability that the person is earning at least $100K?
(c) What is the probability that the person was somewhat influenced by electronic communications and earns at least $100K?
(d) What is the probability that electronic communications somewhat influenced the purchase or that the person earns at least $100K?
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