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1. Decide whether the distribution is a probability distribution. If it is not a probability distribution, identify the property (or properties) that are not satisfied.
1.Decide whether the distribution is a probability distribution. If it is not a probability distribution, identify the property
(or properties) that are not satisfied.
A)B)
x 1 2 3 4 x 5 6 7 8
P(x) 1/2 3/5 6/5 3/4 P(x) .29 .22 .31 .13
2 .Decide whether the random variable x is discrete or continuous.
a.Let x represent the number of pumps in use at a gas station.
b.Let x represent the weight of a truck at a weigh station.
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