The manager of a computer store has kept track of the number of computers sold p
ID: 3224216 • Letter: T
Question
The manager of a computer store has kept track of the number of computers sold per day. On the basis of this information, the manager produced the following list of the number of daily sales. a. If we define the experiment as observing the number of computers sold tomorrow, determine the sample space. b. Use set notation to define the event, sell more than 3 computers. c. What is the probability of selling 5 computers? d. What is the probability of selling 2, 3, or 4 computers? e. What is the probability of selling 6 computers?Explanation / Answer
a) Sample space for tomorrow = (0, 1, 2, 3, 4, 5)
b) X > 3
c) P(X = 5) = 0.10
d) P(X = 2, 3 or 4) = P(X = 2) + P(X = 3) + P(X = 4)
= 0.26 + 0.21 + 0.18
= 0.65
e) P(X = 6) = 0
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