Asked by Anonymous
A number of 4 different digits is formed by using 1, 2, 3, 4, 5, 6, 7. Find
the probability that it is divisible by 5.
Digits can be repeated
the probability that it is divisible by 5.
Digits can be repeated
Answers
Answered by
Reiny
It must end in a 5
number of cases = 7x7x7x1 = 343
number of cases = 7x7x7x1 = 343
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