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26 October, 13:05

A raffle is being held at a benefit concert. The prizes are awarded as follows: 1 grand prize of $6,200.00, 3 prizes of $940.00, 8 prize of $98.00, and 10 prizes of $25.00. Suppose 17000 raffle tickets are sold, if you buy one ticket for $1.00 then what is your expected value for this raffle?

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  1. 26 October, 13:12
    0
    Expected Value = - $0.41

    Step-by-step explanation:

    Expected Value = [$6,200 * (1/17000) + $940 * (3/17000) + $98 * (8/17000) + $25 * (10/17000) ] - 1

    Expected Value = [0.59]-1

    Expected Value = - $0.41
  2. 26 October, 13:25
    0
    Expected value = $-0.41

    Step-by-step explanation:

    1 grand prize = $6,200

    3 prizes = $940

    8 prize = $98

    10 prizes = $25

    Total raffle tickets = 17000

    The value of each ticket is

    $6,200 * (1/17000) + $940 * (3/17000) + $98 * (8/17000 + $25 * (10/17000)

    $0.364 + $0.1658 + $0.0461 + $0.0147

    $0.59

    The expected value is

    E = $0.59 - $1

    E = $-0.41

    That means you are most likely to lose $0.41 if you buy a raffle ticket for $1.
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