Lesson 1.4 AIM: Pizza Party Probability

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Lesson 1.4AIM Pizza Party Probability
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DO NOW
STEP 1 Find the total number of people in the
class. 20 STEP 2 How many students have black
hair? 6 STEP 3 Write the probability as a
fraction.
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Homework Review

• There are 7 players in a chess tournament. Each
  player must play each of the other players once.
  How many chess games will be played?
• List all games.

1,2 1,3 1,4 1,5 1,6 1,7 2,3 2,4 2,5 2,6 2,7 3,4 3,5 3,6 3,7 4,5, 4,6 4,7 5,6 5,7 6,7
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Pizza Problem

• A pizza place offers six different toppings
  Onions, Mushrooms, Peppers, Olives, Pepperoni,
  and Spinach
• Miss Stanley orders a pizza with mushrooms and
  peppers.
• Due to the waiters messy penmanship the chef
  cannot tell what pizza to make
• He makes a pizza by picking two toppings at
  random.

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Summary Problem

• Follow the Calculator Instructions
• Press 6 and then MATH
• With your right arrow go to the PRB menu
• Then choose nCr and press ENTER
• Lastly press 2 and then ENTER
• This should give you the number of ways to choose
  2 items out of 6.