Question

A bag contains 7 red, 5 blue, 4 white and 4 black balls. Find the probability that a ball drawn at random is either red or white.
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Answer 1

Answer:

Probability=11/20

Step-by-step explanation:

For explanation refer to pics

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Answer 2

Hey, here's ur answer:

Answer: 11/20

Explanation:-

Total outcomes= Red+Blue+White+Black

=7+5+4+4

=20

Favourable Outcomes = Red+White

=7+4

= 11

Probability= Favourable Outcomes/Total Outcomes

=11/20

Hope it helps

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