SOLUTION: A five-digit number is formed by arranging 2, 3, 4, 5, and 6 randomly without repetition. Find the
probabilities of the following events,
The unit digit of the number is 5.
Algebra.Com
Question 1174955: A five-digit number is formed by arranging 2, 3, 4, 5, and 6 randomly without repetition. Find the
probabilities of the following events,
The unit digit of the number is 5.
Answer by jitendra_maths(6) (Show Source): You can put this solution on YOUR website!
total number of ways of arranging the digits to make 5 digit number = 5! = 120
number formed by keeping 5 at unit place = 4! = 24
hence probability of event when unit place is 5 = 24/120 = 1/5
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