Question

The table shows the​ distribution, by age and​ gender, of the 29.2 million people in a certain region who live alone. Use the data in the table to find the probability that a randomly selected person living alone in the region is male.
Ages 18dash24
Ages 25dash34
Ages 35dash44
Ages 45dash64
Ages 65dash74
Ages greater than or equals75
Total
Male
0.6
2.3
2.4
4.3
1.5
1.4
12.5
Female
0.5
1.9
1.4
5.0
2.5
5.4
16.7
Total
1.1
4.2
3.8
9.3
4.0
6.8
29.2

Answer 1

Probability = (number of males)/(total) = 12.5/29.2 ≈ 0.4274 ≈ 42.7%.