Question 559472: This probability distribution shown below relates to the number of times a person goes to a local coffee shop per day. What is the expected mean (average) number of times a person goes to a local coffee shop per day?
x p(x)
0, 0.65
1, 0.15
2, 0.2
please solve and show me how you solved it.
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! x p(x)
0, 0.65
1, 0.15
2, 0.2
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E(x) = 0*0.65 + 1*0.15 + 2*0.2
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= 0 + 0.15 = 0.4
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= 0.55
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Cheers,
Stan H.
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