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10-01-2018
Mathematics

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Sam wrote the number 1-100 and placed them in a bag. If he selects a number without looking what is the probability that the number contains a 7 in it?

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10-01-2018

The probability is 19/100 or 19%

7 17 27 37 47 57 67 70 71 72 73 74 75 76 77 78 79 87 97

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