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Question 266813: Fro a Nursing and Allied Health Care Career Fair , organizers estimate that 50 people will attend if it does not rain and 65 will attend if it rains. The weather forecast indicates that there is a 40% chance it will not rain and a 60% chance it will rain on the day of the career fair. Determine the expected number of people who will attend the fair.
I can't figure this out, can someone please help me.
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Fro a Nursing and Allied Health Care Career Fair , organizers estimate that 50 people will attend if it does not rain and 65 will attend if it rains. The weather forecast indicates that there is a 40% chance it will not rain and a 60% chance it will rain on the day of the career fair. Determine the expected number of people who will attend the fair.
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E(x) = 50*0.60 + 65*0.4 = 56
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Cheers,
Stan H.
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