Question 31(ii) An integer is chosen between 0 and 100. What is the probability that it is not divisible by 7?
Open in App
Solution
The number of integers between 0 and 100 is n(S) = 99 Let E2 = Event of choosing an integer which is divisible by 7 ∴n(E2)=n(S)−n(E1) =99−14=85 ∴P(E2)=n(E2)n(S)=8599