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On a page of a telephone directory, there are 200 telephone numbers. The frequency distribution of the digits at their units place is given below: Unit digit 0 1 2 3 4 5 6 7 8 9 Frequency 22 26 22 22 20 10 14 28 16 20 Without looking at the page, a number is chosen at random from the page. What is the probability that the digit at the unit's place of the number chosen is greater than 6? |
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Answer» On a page of a telephone directory, there are 200 telephone numbers. The frequency distribution of the digits at their units place is given below:
Without looking at the page, a number is chosen at random from the page. What is the probability that the digit at the unit's place of the number chosen is greater than 6? |
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