Question

A four digit number is to be formed by using the digit 2,4,7,8, find thr probability that the number will start with 7​

Answer 1

Answer:

1/4

Step-by-step explanation:

probability=number of favourable outcomes/number of possible outcomes

answer=1/4

Answer 2

Answer:

Total outcomes= 4

Possible outcomes (number starting from 7)= 2(7,8)

Therefore, Probability = 2/4=1/2

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