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A quiz consists of two parts. For a randomly selected student, let X = the number of points earned on the first part, and Y
- A quiz consists of two parts. For a randomly selected student, let X = the number of points earned on the first part, and Y = the number of points earned on the second part. Below is the joint pmf for X and Y
p(x,y) | y | |||
0 | 5 | 10 | ||
0 | 0.06 | 0.09 | 0.05 | |
x | 5 | 0.07 | 0.19 | 0.23 |
10 | 0.02 | 0.15 | 0.14 |
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