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Category > Math Posted 27 Sep 2017 My Price 9.00

The table below shows the results of a survey that asked 2883 people whether they are involved in any type of charity work.

The table below shows the results of a survey that asked 2883 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   

Occasionally

Not at all

Total

 

Male

228

459

798

1485

Female

207

450

741

1398

Total

435

909

1539

2883

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

Upper P left parenthesis being frequently involved or being occasionally involved right parenthesis equals nothing

​(Round to the nearest thousandth as​ needed.)

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

Upper P left parenthesis being female or not being involved right parenthesis equals nothing

​(Round to the nearest thousandth as​ needed.)

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

Upper P left parenthesis being male or being frequently involved right parenthesis equals nothing

​(Round to the nearest thousandth as​ needed.)

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

Upper P left parenthesis being female or not being frequently involved right parenthesis equals nothing

​(Round to the nearest thousandth as​ needed.)

​(e) Are the events​ "being female" and​ "being frequently involved in charity​ work" mutually​ exclusive? Explain.

 

A.

​No, because 207

 

 

females are frequently involved in charity work.

B.

​Yes, because no females are frequently involved in charity work.

C.

​No, because no females are frequently involved in charity work.

D.

​Yes, because 207

 

 

females are frequently involved in charity work.

 

 

 

Click to select your answer(s).

 

Answers

Martinakom
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Status NEW Posted 27 Sep 2017 03:09 AM My Price 9.00

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