Question: A certain state groups its licensed drivers according to age into the following categories: (1) 16 to 25; (2) 26 to 45; (3) 46 to

A certain state groups its licensed drivers according to age into the following categories: (1) 16 to 25; (2) 26 to 45; (3) 46 to 65; and (4) over 65. Table 2.4.3 lists, for each group, the proportion of licensed drivers who belong to the group and the proportion of drivers in the group who had accidents.
(a) What proportion of licensed drivers had an accident?
(b) What proportion of those licensed drivers who had an accident were over 65?
Table 2.4.3 Accident Rate and Size by Age

Accident Rate Size Group 0.250 0.086 0.257 0.347 0.044 3 0.056 4 0.146 0.098

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