How to Calculate Simple Conditional Probabilities


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question 1 of 3

Jenny has a bowl of M&M's that has 6 brown, 3 green, 4 red, and 12 yellow M&M's. She selects a yellow M&M and does not replace it. What is the probability that her second selection will be a brown M&M?

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1. While playing with a standard deck of playing cards, what is the probability that Jim's 5th card will be red after selecting 4 cards that were also red and not replacing them? (Hint: There are 52 cards in a deck which contains 26 red and 26 black cards.)

2. Twelve employees at a local company decide to go out for lunch. Of the 12 employees, 8 are men and 4 are women. If a woman is the first to order, what is the probability that a man will be the next person to order lunch?

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About This Quiz & Worksheet

The quiz will present you with a series of word problems outlining various situations. These questions will then ask you about the probability of some events in these situations.

Quiz & Worksheet Goals

The assessment will test you on the following:

  • Probability
  • Conditional probability
  • Dependent events

Skills Practiced

The quiz will help you practice these skills:

  • Reading comprehension - ensure that you draw the most important information from the related conditional probabilities lesson
  • Making connections - use understanding of the concept simple conditional probabilities
  • Problem solving - use acquired knowledge to solve simple conditional probabilities practice problems
  • Interpreting information - verify that you can read information regarding simple conditional probabilities and interpret it correctly

Additional Learning

Finish the quiz and then head over to the related lesson How to Calculate Simple Conditional Probabilities. The lesson covers the following objectives:

  • Defining conditional probability
  • Understanding dependent events
  • Calculating conditional probability