On one page of a telephone directory, there were200 telephone numbers. The frequency distribution of their unit place digit(for example, in the number 25828573, the unit place digit is 3) is given inthe table below:Digit 0 1 2 3 4 5 6 7 8 9Frequency 22 26 22 22 20 10 14 28 16 20A number is chosen at random, find the probabilitythat the digit at its unit’s place is:(i) 6 (ii) a non-zero multiple of 3(iii) a non-zeroeven number (iv) an odd number.

On one page of a telephone directory, there were200 telephone numbers.

1.	On one page of a telephone directory, there were200 telephone numbers. The frequency distribution of their unit place digit(for example, in the number 25828573, the unit place digit is 3) is given inthe table below:Digit 0 1 2 3 4 5 6 7 8 9Frequency 22 26 22 22 20 10 14 28 16 20A number is chosen at random, find the probabilitythat the digit at its unit’s place is:(i) 6 (ii) a non-zero multiple of 3(iii) a non-zeroeven number (iv) an odd number.
Answer» Total telephone number =200 1) P=14/200=0.07 2)P=56/200=0.28 3)P=72/200=0.26 4)P=106/200=0.53.

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