According to the ABS, 20% of Australian households have a fax machine

| August 30, 2017

Question
According to the ABS, 20% of Australian households have a fax machine and 66% of Australian households have a personal computer at home. Suppose 91% of all Australian households with a fax machine also have a personal computer. An Australian household is randomly selected.

a) What is the probability that the household has a fax machine and a personal computer? What is the probability that the household
b) has a fax machine or a personal computer?
c) has a fax machine and does not have a personal computer?
d) has neither a fax machine nor a personal computer?
e) does not have a fax machine and does have a personal computer?

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