a)
x | 0 | 1 | 2 | 3 | |
y | 0 | 0 | 0 | 0.085714 | 0.057143 |
1 | 0 | 0.171429 | 0.342857 | 0.057143 | |
2 | 0.028571 | 0.171429 | 0.085714 | 0 |
b) P(X+Y <= 2)
= P(0,2) + P(1,1) + P(2,0)
= 0.028571 + 0.171429 + 0.085714
= 0.285714
From a sack of fruit containing 3 apples, 2 oranges, and 2 bananas, a random sample of 4 pieces of fruit is selected. S...
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