In a box, consisting 100 bulbs, 10 are defective. The probab... | Mathematics | SolveeIt | Solveeit

Today, August 18

Question

In a box, consisting 100 bulbs, 10 are defective. The probability that out of a sample of 5 bulbs, none is defective is :

A

10-1

B

$(\frac{1}{2})^5$

C

$(\frac{9}{10})^5$

D

$(\frac{9}{10})$

Answer

$(\frac{9}{10})^5$

Explanation

Solution

The correct option is (C) : $(\frac{9}{10})^5$ .