9514 1404 393
Answer:
Explanation:
1) male drivers age 21: 1679
total drivers: 15747
P(male&21) = 1679/15747 ≈ 0.10662 ≈ 0.107
__
2) female drivers (all ages): 7697
male drivers age 21: 1679
drivers age 21 or female: 1689 +7697 = 9376
P(21 or female) = 9376/15747 ≈ 0.59541 ≈ 0.595
_____
Additional comment
It is convenient to have the totals available in each category, and overall.