Question

In a box containing ten toys two are defective .What is the probability that aming 5 toys chosen at random none is fefectibe

Answer 1

Answer:

The probability is (2/9). Ans.

Step-by-step explanation:

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Answer 2

Concept

The probability is the likeliness of happening an event. It is calculated by using the following formula:

Probability=number of particular thing/total number of things.

Given

Box have 10 toys and 2 are defective.

Explanation

We are given that there are 10 toys among which 2 are defective.

Number of defective toys=2

Number of non defective toys=8

The probability that the among 5 toys chosen none is defective=8C5/10C5

=8!/3!*5!  /  10!/5!*5!

=20/90

=2/9

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