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2 July, 02:45

According to a? poll, about 1717?% of adults in a country bet on professional sports. data indicates that 45.345.3?% of the adult population in this country is male. assuming that betting is independent of? gender, compute the probability that an adult from this country selected at random is a male and bets on professional sports.? p (male and bets on professional? sports) equals = nothing? (type an integer or decimal rounded to four decimal places as? needed.) ? (c) using the result in part? (b), compute the probability that an adult from this country selected at random is male or bets on professional sports.? p (male or bets on professional? sports) equals = nothing

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  1. 2 July, 03:12
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    We are given the two probabilities:

    P (bets on professional sports) = 17% = 0.17

    P (adult male) = 45.3% = 0.453

    -We are to find for the probability that a selected adult is male AND bets on professional sports. Since the keyword is "and" therefore this means that we have to multiply the two probabilities, that is:

    P (adult male AND bets on professional sports) = P (adult male) * P (bets on professional sports)

    P (adult male AND bets on professional sports) = 0.453 * 0.17

    P (adult male AND bets on professional sports) = 0.07701 = 0.0770

    Therefore there is a 0.0770 chance or 7.70% chance that the selected adult satisfies the above criteria.

    -We are to find for the probability that a selected adult is male OR bets on professional sports. Since the keyword is "or" therefore this means that we have to add the two probabilities, that is:

    P (adult male AND bets on professional sports) = P (adult male) + P (bets on professional sports)

    P (adult male OR bets on professional sports) = 0.453 + 0.17

    P (adult male OR bets on professional sports) = 0.6230

    Therefore there is a 0.6230 chance or 62.30% chance that the selected adult satisfies the above criteria.
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