(a) Find the probability that the person is frequently or occasionally involved

Question

(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)=

Score: 0.2 of 1 pt 13 of 15 (15 complete) Hw score: 93%, 13.95 of 15 p 3.3.25 Question Help The table below shows the results of a survey that asked 2884 people whether they are involved in any type of charity work. A person is selected at random from the sample. Complete parts (a) through (e) Male Female Tota Frequently 226 209 435 Occasionally 452 450 902 Not at all 799 748 1547 Total 1477 1407 2884

Explanation / Answer

(a) P(being frequently involved or being occasionally involved) = (435 + 902) / 2884 = 0.4636.

(b) P (being female or not being involved) = (1407 + 799) / 2884 = 0.7649

(c) P (being male or being frequently involved) = (1477 + 748) / 2884 = 0.7715

(d) P (being female or not being frequently involved) = (1407 + 1477 - 226) / 2884 = 0.9216.

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