The probability of selecting a rotten apple randomly from a heap of 900 apples is 0.18

Probability (10)

The probability of selecting a rotten apple randomly from a heap of 900 apples is 0.18. What is the number of rotten apples in the heap ? 

Answer

Let the number of rotten apples in the heap be n. 

$$ \frac{n}{900} = 0.18 $$

n = 162

Exam Year: 2017