Question

An integer is chosen random between 1 to 100. find the probability that it is divisible by 8​

Answer 1

Answer: 0.12

x is the number which is chosen

The number of ways to choose x from 1 to 100 is 100 (ways)

because x is divisible by 8​ => x ∈ {8; 16;...; 96}

=> the number of terms divisible by 8 from 1 to 100 is (96 - 8)/8 + 1 = 12

the number of ways to choose x which is divisible by 8​ is 12 (ways)

=> the probability that x is divisible by 8​ is 12/100 = 0.12

Explanation:

Answer 2

The probability of the event is 12/100 or 0.12