A no. is selected at random from the no. 1 to 20. The probability that the selected no. divisible by 3
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Step-by-step explanation:
Numbers that are divisible by 3 or Number of favourable outcomes = 3, 6, 9, 12, 15, 18 = 6
Total number of outcomes = 20 (1 to 20)
P (no. divisible by 3) = Number of favourable outcomes/Total number of outcomes
= 6/20 = 3/10
= 0.3
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