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Probability:Coin Flips, Choice of Outfits, Color Combination

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There are 10 problems. These problems came from a middle school text. Please provide clear explanation so that middle school student can understand how they were solved.

1.A fair coin is flipped four times and the outcomes are recorded. What is the probability that exactly half of the outcomes were tails?
2.A fair coin is flipped five times and the outcomes are recorded. What is the probability that exactly half of the outcomes were tails?
3.A fair coin is flipped four times and the outcomes are recorded. What is the probability that exactly half of the outcomes were tails?
4.A fair coin is flipped three times and the outcomes are recorded. What is the probability that exactly half of the outcomes were tails?
5.A fair coin is flipped six times and the outcomes are recorded. What is the probability that exactly half of the outcomes were tails?
6.A teenager has 8 shirts, 3 belts, 5 pairs of pants, and 2 pairs of shoes. If everything matches everything else, how many different outfits can the teenager make?
7.Ms.Wong is redecorating her office. She has a choice of 7 colors of paint, 4 kinds of curtains ...
8.Ms.Wong is redecorating her office. She has a choice of 8 colors of paint, 5 kinds of curtains ...
9. Find the sample space for tossing 4 coins ...
10.Find the sample space for tossing 2 coins ...

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