KEY Region 1 -NW Region 2 = SW Region 3 = NE Region 4-SE Population 1 -Under 50,

Question

KEY Region 1 -NW Region 2 = SW Region 3 = NE Region 4-SE Population 1 -Under 50,000 Population 2-50,000 - 100,000 Population 3 Over 100,000 Count of Population Region Total Population 38 53 34 125 35 38 37 110 43 27 36 106 32 30 47 109 148 148 154 450 Total: Big Burger is a fast food restaurant that has 450 locations all over the U.S. Use the excel output above to answer the following question. Given a selected restaurant is not in the northwest, what is the probability the restaurant is in a city with a population size of 50,000 or more?

Explanation / Answer

P(the resturant is in a city with a population size of 50000 or more | resturant is not in the northwest) = P(the resturant is in a city with a population size of 50000 or more and resturant is not in the northwest)/P(resturant is not in the northwest) = (38 + 37 + 27 + 36 + 30 + 47)/(450 - 125)

                                                                           = 215/325 = 0.6615

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