Save Question 7 (1 point) fast-food restaurant chain has outlets in the United S

Question

Save Question 7 (1 point) fast-food restaurant chain has outlets in the United States. The following table categorizes them by city population size and location, and presents the number of restaurants in each category. A restaurant is to be chosen at random to test market a new menu. Population Northeast Southeast Southwest Northwest 35 80 25 19 70 30 17 30 54 Under 50,000 50,000-500,000 Over 500,000 60 127 Given that the restaurant is in the Northwest, what is the probability that it is located in a city with a population more than 50,000 wnte as a percentage a number as your answer. Round to two decimal places (for example 0.49). Do not write as a Your Answer: Fo Scrol Pause

Explanation / Answer

Baye's theorem - P(A|B) = P(A and B)/P(B)

P(population more than 50,000 | Northwest) = P(population more than 50,000 and Northwest) /P(Northwest)

= (30+54)/(60+80+70+30+127+25+30+54)

= 84/476

= 0.18

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