WGU Applied Probability and Statistics (FZO1 C955) - Applied-Probability-and-Statistics Exam Practice Test

A. P(A)×P(B)

B. P(A|B) = P(A and B)/P(B)

C. P(A)/P(B)

D. P(B)/P(A)

A. 0

B. #1

C. Cannot determine

D. 1

A. Population # known

B. Population categorical

C. # unknown

D. Sample small

A. The median score for Class A is 80 points.

B. The median score for Class A is 70 points.

C. The median score for Class A is 75 points.

D. The median score for Class A is 88 points.

A. .59

B. .45

C. .3

D. .4

A. Accept H# when false

B. Reject H# when true

C. Correct decision

D. Error in data

A. 1/2

B. 3/8

C. 1/8

D. 1/4

A. Observational, because the study involves a large sample size.

B. Observational, because the researchers are collecting data without manipulating any variables.

C. Experimental, because the researchers are analyzing the data to find correlations.

D. Experimental, because the researchers are testing the effects of smoking on lung cancer.

A. {A, B, C, D}

B. {A, B, C, D, E}

C. {1, 2, 3, 4}

D. {AB, CD}

A. .27

B. .67

C. .44

D. .40

A. # and #

B. #

C. None

D. n, trials; p, success probability

A. 0

B. P(B)

C. P(A)

D. P(A) + P(B)

A. Type I error

B. Type II error

C. Null accepted

D. Correct decision