Numbers from 1 to 20 are written on 20 separate slips. The slips are put into a box and mixed thoroughly. One slip is drawn from the box randomly. What is the probability of drawing a prime number?

Dear Student,
Total possible outcomes = 20.
Favourable outcomes = Prime numbers between 1 to 20.
Favourable Outcomes = 2,3,5,7,11,13,17,19 
Favourable Number of Outcomes = 8
Probability = Favourable Outcomes/Total Outcones = 8/20 =2/5
Regards!

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