Tickets numbered 1 to 20 are placed in a hat. Two tickets are drawn out at random, without
rep...
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Mathematics, 25.05.2020 20:58 jholland03
Tickets numbered 1 to 20 are placed in a hat. Two tickets are drawn out at random, without
replacement. Find the probability that:
a: the first number drawn is even and the second number is odd
b: both of the numbers are prime.
-please help include explanation too, it would be really helpful if u can!-
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Answers: 2
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