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Quote of the Day Quote of the Day

Quote of the Day - PowerPoint Presentation

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Uploaded On 2016-07-21

Quote of the Day - PPT Presentation

Finally I am becoming stupider no more Paul Erd ö s the epitaph he wrote for himself Find Probabilities Using Combinations Section 133 Objectives Define combination Find probabilities using combinations ID: 414101

page combinations dishes list combinations page list dishes side photos photo order complete find top combination probability suppose yearbook 858 friend

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Slide1

Quote of the Day

Finally I am becoming stupider no more.

-Paul

Erd

ö

s

the epitaph he wrote for himselfSlide2

Find Probabilities Using Combinations

Section 13.3Slide3

Objectives:

Define combination

Find probabilities using combinationsSlide4

Key Vocabulary:

CombinationSlide5

Combinations

A permutation is a selection of objects in which order is not important.

For instance, in a drawing for 3 identical prizes, you would use combinations, because the order of the winners would not matter.Slide6

Example 1:

Count the combinations of two letters from the list A, B, C, D.Slide7

#1: Complete.

Count the combinations of 3 letters from the list A, B, C, D, E.Slide8

CombinationsSlide9

Example 2:

You order a sandwich at a restaurant. You can choose 2 side dishes from a list of 8. How many combinations of side dishes are possible?Slide10

Example 3:

A yearbook editor has selected 14 photos, including one of you and one of your friend, to use in a collage for the yearbook. The photos are placed at random. There is room for 2 photos at the top of the page. What is the probability that your photo and your friend’s photo are the two placed at the top of the page?Slide11

#2: Complete.

In Example 2, suppose you can choose 3 side dishes out of the list of 8 side dishes. How many combinations are possible?Slide12

#3: Complete.

In Example 3, suppose there are 20 photos in the collage. Find the probability that your photo and your friend’s photo are the two placed at the top of the page.Slide13

Partner Work

Page 858 #4, 6, 16, 17Slide14

Homework Assignment

Page 858 #8, 10, 12, 14,

18, 19, 24, 26, 32, 33