The probability distribution of the number of hours cars are parked has been estimated as follows.
x 1 2 3 4 5 6 7 8
p(x) .24 .18 .13 .10 .07 .04 .04 .20
The mean is equal to:
1*0.24 + 2*0.18 + 3*0.13 + 4*0.1 + 5*0.07 +...
(The entire section contains 87 words.)
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