Question

Suppose the random variable x is the number of magazines subscribed to by a Canadian household. The probability distribution for x is shown in Exhibit 5.39 below.
a. What is the probability that a Canadian household subscribes to three or more magazines?
b. What is the probability that a Canadian household subscribes to two or three magazines?
c. What is the expected number of magazine subscriptions in a Canadian household?
d. What is the standard deviation of the number of magazine subscriptions in a Canadian household?


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  • CreatedJuly 12, 2015
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