Probability and Two-Way Tables

Question 1

Find P(B|C).P(B|C) = = 0.26P(B|C) = = 0.38P(B|C) = = 0.13P(B|C) = = 0.16

Revolt · Accepted Answer

B: P(B|C) = = 0.38

Question 2

What is the probability that a randomly selected person who tested positive for the flu is vaccinated?

Revolt · Accepted Answer

C:

Question 3

Use the information in the two-way table to complete the statement.

Revolt · Accepted Answer

The probability that a person has a positive Rh factor given that he/she has type O blood is percent.: 82; There is a greater probability for a person to have a than a person to have a positive Rh factor given type O blood.: positive Rh factor given type A blood

Question 4

P(N|V) = [___]

Revolt · Accepted Answer

0.40

Question 5

Which statements are true? Check all that apply.Twenty-three ninth graders and fifteen eleventh graders prefer math.Fourteen eleventh graders prefer math and eight tenth graders prefer English.Thirty-five twelfth graders prefer math and nine tenth graders prefer English.Twenty-three ninth graders and thirty-five twelfth graders prefer math.Eighteen tenth graders prefer English and fourteen eleventh graders prefer math.

Revolt · Accepted Answer

D: Twenty-three ninth graders and thirty-five twelfth graders prefer math.; E: Eighteen tenth graders prefer English and fourteen eleventh graders prefer math.

Question 6

The probability that a person has a positive Rh factor given that he/she has type O blood is [___] percent.

Revolt · Accepted Answer

C: 82

Question 7

Is Miguel’s claim correct?Yes, the two events are independent because P(NF|PB) = P(NF).Yes, the two events are independent because P(PB|NF) = P(NF).No, the two events are not independent because P(PB|NF) ≠ P(PB). No, the two events are not independent because P(PB|NF) ≠ P(NF).

Revolt · Accepted Answer

C: No, the two events are not independent because P(PB|NF) ≠ P(PB).

Question 8

Which statement is true?The probability of randomly selecting a student who has a favorite genre of drama and is also female is about 17 percent.Event F for female and event D for drama are independent events.The probability of randomly selecting a male student, given that his favorite genre is horror, is .Event M for male and event A for action are independent events.

Revolt · Accepted Answer

C: The probability of randomly selecting a male student, given that his favorite genre is horror, is .

Question 9

Consider the following events:A: The employee is male.B: The employee is female.C: The employee takes public transportation.D: The employee takes his/her own transportation.E: The employee takes some other method of transportation. Which two events are independent?A and CA and DB and DB and E

Revolt · Accepted Answer

A: A and C

Question 10

P(N) = [___]

Revolt · Accepted Answer

0.40

Probability and Two-Way Tables Answers

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