what is the probability that the number selected from 1 to 30 is a composite number, when each of the numbers is equally likely to be selected
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prime nos from 1 to 30
2, 3,5,7,11,13,17,19,23,29
No of prime - 10
no of composite (30 -10 -1= 19 as 1 is not composite
Probability that no selected from 1 to 30 is composite = 19/30
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prime nos from 1 to 30
2, 3,5,7,11,13,17,19,23,29
No of prime - 10
no of composite (30 -10 -1= 19 as 1 is not composite
Probability that no selected from 1 to 30 is composite = 19/30
★━━━━━━━━━━━━━━━━━★
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