Scope of Inference

Question 1

Find P(C and D) =

Revolt · Accepted Answer

A: 0.185

Question 2

Suppose we randomly select one of these survey participants. Let C be the event that the participant is an adult. Let D be the event that the participant prefers comedies.What is P(C or D)?

Revolt · Accepted Answer

B: 0.5775

Question 3

P(C ∩ D) =

Revolt · Accepted Answer

A: 0.185

Question 4

Label 1:

Revolt · Accepted Answer

C: A and B

Question 5

What is P(Ac)?

Revolt · Accepted Answer

C: 0.59

Question 6

What is the probability that a randomly selected student does not drive?

Revolt · Accepted Answer

C: 0.59

Question 7

What is the probability that a randomly selected student went to the movies in the past month?

Revolt · Accepted Answer

C: 0.57

Question 8

First, write in the region where the circles overlap.

Revolt · Accepted Answer

A: 0.35

Question 9

Then, to find the probability that a person uses cream but not sugar, and to find the probability that a person uses sugar but not cream.

Revolt · Accepted Answer

C: subtract 0.35 from 0.70

Question 10

P(W and F) =

Revolt · Accepted Answer

A: 0

Scope of Inference Answers

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