Score: 0 of 1 pt 20 of 24 (16 complete) V Score: 60.42%, 14.5 3.3.25 Question He

Question

Score: 0 of 1 pt 20 of 24 (16 complete) V Score: 60.42%, 14.5 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), TotalP 1482 1398 2880 Frequently Male 225 Female209 Occasionally 458 440 898 Not at all 799 749 1548 Total434 (a) Find the probability that the person is frequently or occasionally involved in charity work P(being frequently involved or being occasionally involved)- Round to the nearest thousandth as needed.)

Explanation / Answer

Total no. of people FREQUENTLY involved = 434

Total no. of people OCCASIONALLY involved = 898

Total no. of people NOT AT ALL involved = 1548

Total no. of people = 2880

Method 1:

P(being frequently or ocassionally involved ) = (Total no. of people FREQUENTLY involved + Total no. of people OCCASIONALLY involved)/(Total no. of people) = (434+898)/2880 = 0.4625

Method 2:

P(being frequently or ocassionally involved ) = 1 - P(not being frequently or ocassionally involved ) = 1 - (Total no. of people NOT AT ALL involved)/(Total no. of people) = 1 - 1548/2880 = 0.4625

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