Question

A basket has two types of fruits containing 20 apples and 3 oranges what percent of total no. of fruits to the number of oranges in the basket
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Answer 1

13.0434782609 %

Step-by-step explanation:

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Answer 2

Solution :

Let A denotes Apples and O denotes Oranges and it is given that there are 20 apples and 10 oranges.

Out of 20 apples 5 and 10 oranges 3 are defective.

P(AUB)=P(A)+P(B)−P(A∩B)P(AUB)=P(A)+P(B)-P(A∩B)

n(A)=(20C2)n(A)=(20C2)

P(A)=20C230C2P(A)=20C230C2

n(B)=22C2n(B)=22C2

P(B)=22C230C2P(B)=22C230C2

n(A∩B)=15C2n(A∩B)=15C2

P(A∩B)=15C230C2P(A∩B)=15C230C2

P(AUB)=20C230C2+22C230C2−15C230C2P(AUB)=20C230C2+22C230C2-15C230C2

P(AUB)=0.72