SOLUTION: Of the Canadian population, it is known that 30% are from the province of Quebec and 28% speak French. It is also known that among the citizens of Quebec, 80% speak French. Choosin

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Question 1105415: Of the Canadian population, it is known that 30% are from the province of Quebec and 28% speak French. It is also known that among the citizens of Quebec, 80% speak French. Choosing a Canadian at random, how likely is it to:
a) Do not speak French knowing that you are not from Quebec?
b) Be from Quebec knowing that you speak French?
c) Not being from Quebec knowing that you do not speak French?
d) Do not speak French and be from Quebec?
e) Do not be from Quebec and do not speak French?

Answer by Boreal(15235)   (Show Source): You can put this solution on YOUR website!
Take 1000
=========Q===========NQ===========Total
F+---------240--------------40-----------------280
F-==------- 60--------------660----------------720
Total=====300======== 700============1000
a. 660/700 or 33/35
b. 240/280 or 6/7
c. 660/720 or 11/12
d. 60/300 or 1/5
e. 660/700 or 33/35

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