Asked by Anonymous
A number is chosen at random from the integers 5to25 inclusive. Find the probability that the number is a (i) of 2 (ii) of 5
Answers
Answered by
Jignesh Patel
Numbers that are multiples of 5 from [5,25] are 5, 10, 15, 20, 25
Probability that a number is a multiple of 5:
5/20
=1/4
Numbers that are multiples of 2 from [5,25] are 6,8,10,12,14,16,18,20,22,24
Probability that a number is a multiple of 2:
10/20
= 1/2
Probability that a number is a multiple of 5:
5/20
=1/4
Numbers that are multiples of 2 from [5,25] are 6,8,10,12,14,16,18,20,22,24
Probability that a number is a multiple of 2:
10/20
= 1/2
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