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La probabilité
Mathématiques
Middle School Math
L'algèbre

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 Name _____________________________ Date ___________________
La probabilité
Complète.

 1 Daniel found a snake in the yard a total of five times (on different days) during last year. Assuming last year was a non-leap year, what is the probability Daniel will find a snake in his yard on any particular day?
 2 Sydney shows her friend Lauren a deck of cards. Assuming the cards in the deck are randomly distributed, what is the probability that Sydney draws an ace and does not replace it, and then draws another ace?
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 4 Isaac bought a die at the magic shop. He rolls it 133 times and gets the following results. A 1 twenty times, a 2 nineteen times, a 3 twenty-eight times, a 4 twenty-seven times, a 5 seventeen times and a 6 twenty-two times. What is the probability he will get a 6 on the next roll?
 5 Connor lives in Montana. On a bus trip across the state he looks out the window and sees where other vehicles are from. On the trip he sees100vehicles with Montana plates and40with non-Montana plates. On the trip back the next day, what is the probability that the first car he sees is from Montana?
 6 There is a certain book at the school library that has three hundred eighty-two pages. If the probability that you will open the book to any page at random and find a picture is9%, how many pages in the book have pictures on them? Assume that the pictures are randomly distributed throughout the book.

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