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22 May, 06:53

For an outdoor concert by the city orchestra, concert organizers estimate that 19 comma 000 people will attend if it is not raining. If it is raining, concert organizers estimate that 4000 people will attend. On the day of the concert, meteorologists predict a 90 % chance of rain. Determine the expected number of people who will attend this concert.

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  1. 22 May, 10:03
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    Answer:The expected number of people who will attend this concert = 2260

    Step-by-step explanation:

    The concert organizers estimate people will attend if it is not raining = 19000

    If its raining people will attend = 4000

    On the day of the concert, meteorologists predict a 90 % chance of rain.

    This means 10 % chance of not raining

    The expected number of people = 90% (4000) + 10% (19000)

    = 360 + 1900

    = 2260

    The expected number of people who will attend this concert = 2260
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