A number is selected fr 1 to 20. what is the probability that the no is divisible by 2 and 3. and what is the probability that are divisible by 2 and 3
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Answer is 13/20
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Number of possibilities = 20
Number divisible by 2 and 3 = 13
so p (no.divisible by 2 and 3 )= 13/20
Number not divisible by 2 and 3 = 20- 13 = 7
so p (no.not divisible by 2 and 3)= 7/20
Number divisible by 2 and 3 = 13
so p (no.divisible by 2 and 3 )= 13/20
Number not divisible by 2 and 3 = 20- 13 = 7
so p (no.not divisible by 2 and 3)= 7/20
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