Q. 14.6( 10 Votes )

Cards each marked

Answer :

The total number of elementary events are: 4,5,6 …..20 = 20 – 3= 17

Let E be the event of getting an even number on the random draw

Then total favorable outcomes are: 4, 6, 8, 10, 12, 14, 16, 18, 20

Total number of favorable outcomes = 9

P (even number) = P (E) = 9/17

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