SOLUTION: On hot, sunny, summer days Jane rents inner tubes by the river that runs through her town. Based on her past experience, she has assigned the following probabilities to the number

Question 537116: On hot, sunny, summer days Jane rents inner tubes by the river that runs through her town. Based on her past experience, she has assigned the following probabilities to the number of tubes she will rent on a randomly selected day.

X 25 50 75 100 Total

P(x) 0.20 0.40 0.30 0.10 1.00
Based on this data, what is the daily average number of tubes she will rent?

Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
X 25 50 75 100 Total
P(x) 0.20 0.40 0.30 0.10
Based on this data, what is the daily average number of tubes she will rent?
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Average: 0.20*25 + 0.40*50 + 0.30*75 + 0.10*100 = 57.5
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Cheers,
Stan H.
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