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miki tosses a coin 50 times, the coin shows heads 28 times. Suppose the coin is fair and miki tosses it 500 times. how many times can she expect it to show heads?

2 Answers

4 votes
280. all they did to 50 was add a 0 so add one to the 28 and you get 280 :)
User Thiago Canto
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The answer is 280 times, because 50 x 10 = 500, and the coin is fair, so you have to do 28 x 10, which equals 280.  So the answer is 280 times.  :D  Glad I could help!
User Ken Shoufer
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