Score: 04 5870, 155 3.3.25 Question Help The table below shows the results of a

Question

Score: 04 5870, 155 3.3.25 Question Help The table below shows the results of a survey that asked 2880 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). Frequently Total 1482 1398 2880 OccasionallyNot at all Male 225 Female 209 Total 434 458 440 898 799 749 1548 (a) Find the probability that the person is frequently or occasionally involved in charity work P(being frequently involved or being occasionally involved) - 463 (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 )

Explanation / Answer

Ans a)

P(Being frequently or ocasssionally involved) = (No. of people FREQUENTLY involved + No. of people OCASSIONALLY involved)/(Total no. of people) = (434+898)/2880 = 0.463

Ans B)

P(Being female or not being involved) = (Total females + Total no. of people not involved - No. of females who are not involved)/(Total no. of people) = (1398+1548-749)/2880 = 0.763

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