Question 1

If P(A)  = .62, P(B)  = .47, and P(A ∪ B)  = .88; then P(A ∩ B)  =

Accepted Answer

A)   .291
B)   1.970
C)   .670
D)   .210

Question 2

If P(A)  = .6, P(B)  = .3, and P(A ∩ B)  = .2, then P(B | A)  =_____.

Accepted Answer

A)   .33
B)   .5
C)   .67
D)   .9

Question 3

If P(A)  = .62, P(B)  = .56, and P(A ∪ B)  = .70, then P(B | A)  = _____.

Accepted Answer

A)   .4800
B)   .7742
C)   .9032
D)   Not enough information is given to answer this question.

Question 4

The sample space refers to _____.

Accepted Answer

A)   any particular experimental outcome
B)   the sample size minus 1
C)   the set of all possible experimental outcomes
D)   both any particular experimental outcome and the set of all possible experimental outcome

Question 5

A professor rolls a fair, six-sided die. Using the classical method of probability, what is the probability that at least three spots will be showing up on the die?

Accepted Answer

A)   1/2
B)   2/3
C)   1/3
D)   1/6

Question 6

If a coin is tossed three times, the likelihood of obtaining three heads in a row is _____.

Accepted Answer

A)   0
B)   .500
C)   .875
D)   .125

Exam 4: Introduction to Probability

A professor rolls a fair, six-sided die. Using the classical method of probability, what is the probability that at least three spots will be showing up on the die?

Correct Answer
verified

If a coin is tossed three times, the likelihood of obtaining three heads in a row is _____.

Correct Answer
verified

If P(A) = .6, P(B) = .3, and P(A ∩ B) = .2, then P(B | A) =_____.

Correct Answer
verified

If P(A) = .62, P(B) = .56, and P(A ∪ B) = .70, then P(B | A) = _____.

Correct Answer
verified

If P(A) = .62, P(B) = .47, and P(A ∪ B) = .88; then P(A ∩ B) =

Correct Answer
verified

The sample space refers to _____.

Correct Answer
verified

Exam 4: Introduction to Probability

A professor rolls a fair, six-sided die. Using the classical method of probability, what is the probability that at least three spots will be showing up on the die?

Correct AnswerverifiedShow Answer

If a coin is tossed three times, the likelihood of obtaining three heads in a row is _____.

Correct AnswerverifiedShow Answer

If P(A) = .6, P(B) = .3, and P(A ∩ B) = .2, then P(B | A) =_____.

Correct AnswerverifiedShow Answer

If P(A) = .62, P(B) = .56, and P(A ∪ B) = .70, then P(B | A) = _____.

Correct AnswerverifiedShow Answer

If P(A) = .62, P(B) = .47, and P(A ∪ B) = .88; then P(A ∩ B) =

Correct AnswerverifiedShow Answer

The sample space refers to _____.

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified