The sum of two positive numbers is 10 . The probability that their product is greater than 20 is
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P(getting the product of two numbers greater than 20)
Step-by-step explanation:
Given,
The sum of two positive numbers = 10
To find, the probability that their product is greater than 20 = ?
All possible outcomes are:
(0, 10), ,(1, 9), (2, 8), (3, 7), (4, 6), (5, 5), (6, 4), (7, 3), (8, 2), (9, 1) and (10, 0)
Total number of all possible outcomes = 11
All favourable outcomes are:
(3, 7), (4, 6), (5, 5), (6, 4) and (7, 3)
Number of favourable outcomes = 5
∴ P(getting the product of two numbers greater than 20)=
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