Online Access Free Applied-Probability-and-Statistics Exam Questions

Variance of Poisson # = 5 = ?

• A.4
• B.5
• C.1
• D.0

A sociologist is investigating the relationship between educational level, high school, bachelor's, master's, and doctorate, and annual income.
How should this study be classified?

• A.Quantitative#categorical
• B.Quantitative#quantitative
• C.Categorical#quantitative
• D.Categorical#categorical

The table shows the results of a survey of favorite movie genres.

What is the probability of selecting an action and then a comedy respondent if the selection is replaced?

• A.12.5%
• B.10.5%
• C.75%
• D.68%

Uniform distribution 0-5: P(X < 3) = ?

• A.0.4
• B.0.5
• C.0.3
• D.0.6

In a class of 30 students, 18 are enrolled in a math course, and 12 are enrolled in a science course. Among the students enrolled in the science course, 8 are also enrolled in the math course.
What is the probability that a student is enrolled in the math course given that they are enrolled in the science course?

• A..67
• B..40
• C..27
• D..44