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The numbers from 1 to 11 are drawn at random. Find the probability that the even numbers will all be drawn before the number 11.

 Dec 29, 2021
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1,  2,  3,  4,  5,  6,  7,  8,  9,  10,  11

 

There are:2,  4,  6,  8,  10 ==5 even numbers.

 

The probability is: 5/11  x  4/10  x  3/9  x  2/8  x  1/7 ==1 / 462

 Dec 29, 2021

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