Question: According to Reuters a survey undertaken by the National Center

According to Reuters, a survey undertaken by the National Center for Health Statistics revealed that about 25% of U.S. households have only a cell phone (no land line).According to the FCC, 65% of U.S. households have high-speed Internet. Suppose of U.S. households having only a cell phone, 80% have high-speed Internet. A U.S. household is randomly selected.
a. What is the probability that the household has only a cell phone and has high-speed Internet?
b. What is the probability that the household has only a cell phone or has high-speed Internet?
c. What is the probability that the household has only a cell phone and does not have high-speed Internet?
d. What is the probability that the household does not have just a cell phone and does not have high-speed Internet?
e. What is the probability that the household does not have just a cell phone and does have high-speed Internet?


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  • CreatedFebruary 19, 2015
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