1

A survey was conducted in which

125

families were asked how many cats lived in their households. The results are shown below. a) What is the probability that a randomly selected family has one cat? b) What is the probability that a randomly selected family has more than one cat?c) What is the probability that a randomly selected family has cats? d) Is this an example of classical, empirical, or subjective probability?

Number of Cats	Number of Households
0	65
1	35
2	16
3	6
4	3
Total	125

2

Use the contingency table to complete parts a) through d) below.		Event A	Event B
Event C	5		2
Event D	32		31
Event E	8		22

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Part 1

a) Determine the probability of

P(AandC).

P(AandC)=enter your response here

(Round to two decimal places as needed.)

3

Use the contingency table to determine the following probabilities.

a. P(BorC)

b. P(BorD)

c. P(AorE)

d. P(AorB)

	Event A	Event B
Event C	4		16
Event D	12		9
Event E	6		3

Question content area bottom

Part 1

a.

P(BorC)=enter your response here

(Round to two decimal places as needed.)

4

Use the contingency table to complete parts a) through d) below.		Event A	Event B
Event C	32		35
Event D	16		4
Event E	1		12

Question content area bottom

Part 1

a) Determine the probability of

P(A|C).

P(A|C)=enter your response here

(Round to two decimal places as needed.)

5