The table below shows the results of a survey that asked 2869 people whether they are involved in any type of charity work. A person is selected at random from the sample. Please complete parts (a) through (d) and round the answers to nearest thousandth.

	Frequently	Occasionally	Not At All	Total
Male	228	459	791	1478
Female	206	440	745	1391
Total	434	899	1536	2869

a) Find the probability that the person is frequently or occasionally involved in charity work.

P(being frequently involved or being occasionally involved) =

b) Find the probability that the person is female or not involved in charity work at all.

P(being female or not being involved) =

c) Find the probability that the person is male or frequently involved in charity work.

P(being male or being frequently involved) =

d) Find the probability that the person is female or not frequently involved in charity work.

P(being female or not being frequently involved) =