Question

A number from 51 to 100 is selected at random. Find the probability of obtaining
a) A multiple of either 5 or 7
(b) A number greater than 77
(c) A number not less than 77
(d) A multiple of 5 and 7.​

Answer 1

Step-by-step explanation:

a) 1/50

b) 23/50

c) same as b

d) multiple of 5 : 10/50 = 1/5

multiple of 7 : 7/50.

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