A bag contains 3 red balls, 5 yellow balls and 7 pink balls. If one ball is drawn at random from the bag, what is the probability that it is either pink or red?
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Answer:Total balls = 3+5+7=15
Favourable outcome =7+3=10
Probability = favourable outcome÷ total no. of outcomes
=10÷15
=2÷3
Step-by-step explanation:
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At first,
Number of red balls=3
Number of pink balls=7
Hence,
No. of outcomes=10=3+7
therefore,
probability =no. of outcomes/total no. of of possible outcomes
that is,
10/15=2/3.
hence, probability is 2/3
Number of red balls=3
Number of pink balls=7
Hence,
No. of outcomes=10=3+7
therefore,
probability =no. of outcomes/total no. of of possible outcomes
that is,
10/15=2/3.
hence, probability is 2/3
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