On a randomly chosen day , let X be the number of attacks of Snow Miser against Heat Miser, and let Y represent the number of attacks of Heat Miser against Snow Miser.
Y=0 | 5 | 8 | Total | |
X=4 | 0.20 | 0.05 | 0.10 | 0.35 |
6 | 0.25 | 0.10 | 0.30 | 0.65 |
Total | 0.45 | 0.15 | 0.40 | 1.0 |
a) Find the probability that on a randomly selected day, Snow Miser initiates more attacks than Heat Miser.
b) Find PX(x) and PY(y).
c) Are X and Y independent? Justify your answer.
d) Find PX|Y(x|y) and PY|X(y|x).
On a randomly chosen day , let X be the number of attacks of Snow Miser...
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