Probability

A branch of mathematics that measures how often a particular event will happen if something (as tossing a coin) is done repeatedly which results in any of a number of possible events

Probability Sites

 

Help with probability
Math Forum Library

Test your probability vocabulary
Take a probability adventure
  • Common factor
  • Venn diagram
  • Common multiple
  • Square number
  • Divisor
  • Proper factor
  • Even number
  • Prime number
  • Exponent
  • Prime factorization
  • Odd number
  • Factor
  • Multiple
  • Composite number

Activity 1:

  • You have three blue cards. Explain the probabilities of picking a blue card and not picking a blue card.

Activity 2:

The number cube has 6 sides. The sides are numbered 1 to 6. For outcomes, read only the side that faces up.

  • How many outcomes are possible when you roll the cube?
  • What is the probability of landing on the number 1?
  • Are the probabilities of landing on 1, 4, or 2 equally likely? Explain.
  • What is the probability of rolling a 7?
  • What is the probability of rolling an even number? An odd number?

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