Expert Answers to WGU Exam Applied-Probability-and-Statistics Questions

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Courses and Certificates Applied Probability and Statistics (FZO1 C955)

Applied Probability and Statistics (FZO1 C955)

Last Update Jul 26, 2026
Total Questions : 155

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Questions 2

Standard error decreases when:

Options:

Sample size increases

Decreases

SD increases

Confidence decreases

Discussion 0

Questions 3

Z-test used when:

Options:

Population σ known

σ unknown

Sample small

Population categorical

Discussion 0

Questions 4

Probability of at least one six in 2 dice rolls = ?

Options:

11/36

1/6

1/36

25/36

Discussion 0

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Questions 5

Two events mutually exclusive → P(A and B) = ?

Options:

P(A)P(B)

P(A) + P(B)

Discussion 0