Question

On one page of a directory, there are 180 telephone numbers. The frequency distribution of the units place

digit is given as under :

0123456789

10 19 27 23 18 10 17 12 24 20

Units place digit

Frequency

From this page, one of the number is chosen at random. What is the probability that the unit’s place digit in

the chosen number

(i) is a non-zero multiple of 3? [2]

(ii) is a multiple of 4?​

Answer 1

Answer:

I) 0

ii) the multiples of four are - 12, 20, 24

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