The partially filled contingency table gives the relative frequencies of the data on age (in years) and sex from the residents of a retirement home.
Male
Female
Total
60-69
0.19
0.2
70-79
0.1
0.1
Over 79 Total
0.11
0.3
1
What is the probability that a resident is male and in the age group 60-79?
a 0.31
C. 0.29
b. 0.28
d. 0.305