The table below shows the results of a survey that asked 2865 people whether they are involved in any type of charity work. A person is selected at
random from the sample. Complete parts (a) through (d).
Frequently
Occasionally
Not at all
Total
Male
Female
225
459
794
1478
205
440
742
1387
Total
430
899
1536
2865
(a) Find the probability that the person is frequently or occasionally involved in charity work.
P(being frequently involved or being occasionally involved)= 0.464
(Round to the nearest thousandth as needed.)
(b) Find the probability that the person is female or not involved in charity work at all.
P(being female or not being involved) -
(Round to the nearest thousandth as needed.)