Find the probability that the person is frequently or occasionally involved in charity work. what if the question asks find the probability that the person is male or frequently involved in charity work. using the chart .

We need to find that the probability that the person is male or frequently involved in charity work.

From the attached figure,
Total no of people = 2881
No of Males = 1479No of females who are frequently involved  = 205 ∴ Total no. of males or frequently involved = Sum of both
= 1479 + 205
= 1684∴ Probability =
=  ∴ Probability = 58.45%