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Understanding Probability: What are the Chances?

Explore the concept of probability and the likelihood of events happening using mathematical vocabulary. Discover the chances of various scenarios and learn about equally likely events. Dive into investigations to deepen your understanding of probability.

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Understanding Probability: What are the Chances?

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  1. Probability How likely is an event to occur? What are the chances of that happening??!!

  2. Mathematical Vocabulary • We can describe the probability or chance of an event happening by saying: • It is IMPOSSIBLE. • It is UNLIKELY. • It is LIKELY. • It is CERTAIN.

  3. What is the probability of the following events happening? • You will have your 30th birthday tomorrow. • Your family will win the lottery this weekend. • You will watch television tonight. • You will eat some food today.

  4. Can you think of any events which are equally likely to happen?

  5. How about…..? • If you toss a coin you have an equal chance of getting a head or a tail. • If a baby is born it has an equal chance of being a boy or a girl. • If you roll a dice you have an equal chance of getting the number 1, 2, 3, 4, 5 or 6!

  6. Investigation • Next lesson we will investigate probability further!! • We test whether we have an equal number of heads and tails when we toss a coin. • We will test whether we get an equal number of 1s, 2s, 3s, 4, 5s and 6s when we roll a dice.

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