The probability distribution shows the probability owning multiple vehicles among 100 families polled.

what is the probability that a family has more than 3 cars among the 100 families polled?

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The probability of having more than 3 cars is 0.1 or 10%.

There are only 2 bars in the chart that have more than 3 cars. They are the bars for 4 and 5 vehicles.

If we add those percents, we will have our total.

0.05 + 0.05 = 0.1 = 10%