Free WGU Applied-Probability-and-Statistics Exam Questions

Become WGU Certified with updated Applied-Probability-and-Statistics exam questions and correct answers

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Total 155 Questions | Updated On: Oct 27, 2026
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Question 1

Variance formula = ? 


Answer: A
Question 2

Uniform distribution 0–10: P(X < 4) = ? 


Answer: A
Question 3

Poisson used for: 


Answer: A
Question 4

Dataset: 5, 7, 7, 10. Standard deviation? 


Answer: A
Question 5

A golf course is attempting to correlate golfing handicap with math SAT scores among local high school golfers. Ignoring potential confounding variables such as socioeconomic status, the golf course creates the following scatterplot.What is the estimated value of r, the correlation coefficient, between these variables? 


Answer: B
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Total 155 Questions | Updated On: Oct 27, 2026
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