Question 116391: Slips of paper marked with the numbers 1, 2, 3, 4 and 5 are placed in a box. After mixing well, two slips are drawn.
{(1,1),(1,2),(1,3),(1,4),(1,5),(2,1),(2,2),(2,3),(2,4),(2,5),(3,1),(3,2),(3,3),(3,4),(3,5)
(4,1),(4,2),(4,3),(4,4),(4,5),(5,1),(5,2),(5,3),(5,4),(5,5)}
Find the following:
(a)Both slips are marked with even numbers;
(b)Both slips are marked with odd numbers;
(c)Both slips are marked with the same number;
(d)One slip is marked with an odd number, the other with an even number.
Answer by stanbon(75887)   (Show Source):
You can put this solution on YOUR website! Slips of paper marked with the numbers 1, 2, 3, 4 and 5 are placed in a box. After mixing well, two slips are drawn.
{(1,1),(1,2),(1,3),(1,4),(1,5)
,(2,1),(2,2),(2,3),(2,4),(2,5)
,(3,1),(3,2),(3,3),(3,4),(3,5)
,(4,1),(4,2),(4,3),(4,4),(4,5)
,(5,1),(5,2),(5,3),(5,4),(5,5)}
Find the following:
(a)Both slips are marked with even numbers;
(2,2),(2,4),(4,2),(4,4)
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(b)Both slips are marked with odd numbers;
1,1; 1,3; 1,5; 3,1;3,3;3,5;5,1;5,3;5,5
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c)Both slips are marked with the same number;
1,1;2,2;3,3;4,4;5,5
(d)One slip is marked with an odd number, the other with an even number.
1,2;1,4;2,1;2,3;2,5;3,2;3,4;4,1;4,3;4,5;5,2;5,4
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Cheers,
Stan H.
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