HISTORY HIST-405 Table shows the results of a survey that asked 2881

| March 13, 2016

Question
Table shows the results of a survey that asked 2881 people whether they are involved in any type of charity work. A person is selected from the sample. Complete parts (a) through (e).

Frequently Occasionally Not at all Total

Male 227 259 792 1478

Female 205 450 748 1403

Total 432 909 1540 2881

Find probability that the person is frequently involoved in charity work

P (being frequently involved or occasionally involved) =

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

P (being female or not involved) =

(c) find the prob. that the person is male or frequently involoved in charity work

P (being male or being frequently involoved) =

(d) find the prob. that the person is female or not frequently involved in charity work

P(being female or not being frequently involved) =

(e) Are the events “being female” and “being frequently i

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