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Wendy's restaurant has been recognized for having the fastest average service time among fast food restaurants. In a poll, Wendy's received these results.

Observation	X	Y
1	1	0
2	1	0
3	0	0
4	1	0
5	0	0
6	1	1
7	0	0
8	0	1
9	1	1

1. Create a two-way table (x=0, y=0)(x=1, y=0)(x=0,y=1)(x=1,y=1) by summing up the numbers of observations.
2. Marginal probabilities. X=x & Y=y

Answer 1