Find the following probabilities. Question 1 (1 point) P(Male) Question 1 option

Question

Find the following probabilities.

Question 1 (1 point)

P(Male)

Question 1 options:

0.5

0

1

0.8

4/7

Question 2 (1 point)

P(Male and Female)

Question 2 options:

0.5

0

1

0.8

4/7

Question 3 (1 point)

P(Male or High Income)

Question 3 options:

0.5

0

1

0.8

4/7

Question 4 (1 point)

P(Male | High Income)

Question 4 options:

0.5

0

1

0.8

4/7

Question 5 (1 point)

P(Male or Female)

Question 5 options:

0.5

0

1

0.8

4/7

Data are collected on 100 people visiting our website, and are used to compile this contingency table. Event Low Income High Income Total Male 10 40 50 Female 20 30 50 Total 30 70 100

Explanation / Answer

1) P(Male)=total males /Total number =50/100=0.5

2) P(Male and Female)=0 (these events are mutually exclusive

3) P(Male or high income)=(10+40+30)/100=0.8

4) P(Male |High income)=P(male and high income)/P(high income)=40/70=4/7

e) P(male or female)=1 (total)

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