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 ?
Given: Total numbers of apple in the heap$=900$ and the probability of the rotten apple$=0.18$
To do: To find the numbers of rotten apples in the heap.
Solution:
Probability of selecting rotten apple $=\frac{No.\ of\ rotten\ apples}{Total\ number\ of\ apples}$
$0.18=\frac{No.\ of\ rotten\ apples}{900}$
$\Rightarrow$ No. off rotten apples$=900\times 0.18$
$=162$
Thus Number of rotten apples is $162.$
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