| 1. | There is a certain book at the school library that has four hundred 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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| | 2. | If the odds of winning a particular card game are 1:4, about how many times can you expect to win if you play the game one thousand, one hundred times?
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| 3. | You are playing the “shell” game. In this game, there is object (let’s say a coin) hidden under one of five cups and you have to try and guess which cup it is under. Assuming the game is fair and there are five cups, what is the probability you will guess correctly on the first try?
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| | 4. | There are four black marbles and six white marbles in a bag. What is the probability of pulling out a black marble on the first try?
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| 5. | Amanda bought a bag containing assorted hard candies from the local corner store. They were on clearance and she got a good deal. All the candies are the same size and shape but they are different colors and flavors. There are six blue ones, three red ones, twelve purple ones, eight green ones, and thirteen orange ones. If the bag is shaken really well to mix the candy in the bag, what is the probability that the first candy she pulls out of the bag will not be green?
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| | 6. | * Dies ist ein vorgefertigtes Arbeitsblatt.
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