1.

The number 1, 2, 3 and 4 are written separately on four slips of paper. The slips arc then put in a box and mixed thoroughly. A person draws two slips from the box, one after the other, without replacement. Describe the following events : A = The number on the first second slip is greater than one on the second slip B = The number on the second slip is greater than 2 C = The sum of the numbers on the two slips is 6 or 7 D = The number on the second slips is twice that on the first slip.

Answer»

The number 1, 2, 3 and 4 are written separately on four slips of paper. The slips arc then put in a box and mixed thoroughly. A person draws two slips from the box, one after the other, without replacement. Describe the following events :

A = The number on the first second slip is greater than one on the second slip

B = The number on the second slip is greater than 2

C = The sum of the numbers on the two slips is 6 or 7

D = The number on the second slips is twice that on the first slip.



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