a number is selected from first 30 natural numbers what is the probability that it is a multiple of 3 or 5?
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Probability of getting number of multiple of 3 or multiple of 5 is 8 / 15
Step-by-step explanation:
Multiple of 3 from first 30 natural numbers
3 , 6 , 9 , 12 , 15 , 18 , 21 , 24 , 27 , 30
The total multiple of 3 from first 30 natural numbers is 10
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Multiple of 5 from first 30 natural numbers
5 , 10 , 15 , 20 , 25 , 30
Multiple of 5 from first 30 natural numbers is 6
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Probability of getting number of multiple of 3 or multiple of 5
Probability of getting number of multiple of 3 = 10 / 30
Probability of getting number of multiple of 5 = 6 / 30
Probability of getting number of multiple of 3 or multiple of 5 = 10 / 30 + 6 / 30
Probability of getting number of multiple of 3 or multiple of 5 = 16 / 30
Probability of getting number of multiple of 3 or multiple of 5 = 8 / 15
Probability of getting number of multiple of 3 or multiple of 5 is 8 / 15
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