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Probability Chances or odds of an event occurring

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There are different outcomes Unlikely Likely Always (no other possibilities) Never (impossible) Unlikely Likely Always (no other possibilities) Never (impossible)

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Spinner 1 Look at this picture. If it was used as a spinner, you would have the same chance of landing on blue, yellow, red, and green.

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Spinner 2 Look at this picture. Do you have the same chance of landing on yellow as you do blue or red? What color are you more likely to land on? Look at this picture. Do you have the same chance of landing on yellow as you do blue or red? What color are you more likely to land on?

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Spinner 3 What if this picture was used to make a spinner? What are the chances of landing on yellow? Green? Blue?

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Dice Dice - means a pair of cubes with dots on them Die - means one cube The number of dots are from 1-6 Dice - means a pair of cubes with dots on them Die - means one cube The number of dots are from 1-6

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Die 1 Each number appears on a die only one time. Since there are 6 numbers, the probability of rolling numbers 1-6 is 1/6 or one out of six. Each number appears on a die only one time. Since there are 6 numbers, the probability of rolling numbers 1-6 is 1/6 or one out of six.

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Die 2 If you are using a die, what is the probability of rolling a two? A four? A three? A nine? A seven?

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Die 3 If you are rolling dice, what is the probability of rolling a seven? A nine? Remember dice means two cubes and there are 12 possibilities. If you are rolling dice, what is the probability of rolling a seven? A nine? Remember dice means two cubes and there are 12 possibilities.

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Deck of Cards How many cards are in a deck, excluding jokers? How many are red? How many are black? How many cards are in a deck, excluding jokers? How many are red? How many are black?

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Deck of Cards 2 How many are hearts? Diamonds? Spades? Clubs? How many are queens? Aces? Kings? Jacks? How many are hearts? Diamonds? Spades? Clubs? How many are queens? Aces? Kings? Jacks?

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Deck of Cards 3 To determine the probability of drawing a particular card, first count the number of cards, then count how many are that particular kind.

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Deck of Cards 4 What is the probability of drawing a 4? A King? A red card? A club?

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Colored Objects You can determine the probability of colored objects by counting how many objects there are altogether and how many there are of a particular color.

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Colored Objects 2 If there were 32 marbles in this jar and 9 of them were blue, then the probability of drawing a blue marble would be 9/32 or 9 out of 32.

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Lets Practice http://nlvm.usu.edu/en/nav/frames_ asid_186_g_1_t_1.html http://nlvm.usu.edu/en/nav/frames_ asid_186_g_1_t_1.html http://www.bbc.co.uk/education/mat hsfile/shockwave/games/fish.html http://www.bbc.co.uk/education/mat hsfile/shockwave/games/fish.html http://nlvm.usu.edu/en/nav/frames_ asid_186_g_1_t_1.html http://nlvm.usu.edu/en/nav/frames_ asid_186_g_1_t_1.html http://www.bbc.co.uk/education/mat hsfile/shockwave/games/fish.html http://www.bbc.co.uk/education/mat hsfile/shockwave/games/fish.html

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Notes on PROBABILITY What is Probability? Probability is a number from 0 to 1 that tells you how likely something is to happen. Probability can be either.

Notes on PROBABILITY What is Probability? Probability is a number from 0 to 1 that tells you how likely something is to happen. Probability can be either.

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