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Mathematics, 04.12.2019 19:31 alimfelipe

Management for a chain of restaurants recorded the number of appetizers, x, ordered by tables dining. they observed that x had the following probability distribution.
value of x
0
1
2
3 or more
probability
0.60
0.35
0.04
0.01

reference: ref 9-7

the probability that a randomly chosen table orders at least one appetizer is
a. 0.35.
b. 0.39.
c. 0.40.
d. none of the above.

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