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Probability Concepts in Statistics: Practice Questions and Solutions

Explore probability concepts with these practice questions covering probability calculations, independent events, compliments, and more. The review includes specific scenarios and calculations to enhance your understanding of probability theory.

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Probability Concepts in Statistics: Practice Questions and Solutions

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  1. Chapter 4 Review

  2. Question 1 • Determine if each of the following is a probability • -1.2 • .467 • 57% • 2/3

  3. Question 2 • Determine if the events are independent • Buy a AWOLNATION poster. • Attend a AWOLNATION concert. • Buy a baseball glove • Attend a movie

  4. Question 3 • What’s the compliment of P(x) = .6742

  5. Question 4 • Find the probability of answering 3 straight 5-option multiple choice questions correctly.

  6. Question 5 • Using the table below, determine the following probabilities • Probability that a student is a girl and failing • Probability that a student is a boy or passing

  7. Question 6 Find the indicated probability. Your family is replacing the tires on your car. If the tire store has a batch of 5,000 tires that include exactly 200 defective tires, what is the probability your car gets all good tires?

  8. Question 7 There are 5 white marbles and 10 black marbles in a bag. What is the probability that you pull a black marble on your third pull, given that you’ve already pulled 2 blacks, and there is no replacement.

  9. Homework • Study Guide: 21-28

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