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

Question

KEY Region 1 = NW Region 2 -SH Region 3- NE Region 4 = SE Population 1 Under 50,000 Population 250,000 100,000 Population 3 = Over 100.000 Count of Population Region Total Population 34 36 35 105 34 27 35 96 144 151 155 450 38 38 37 48 119 Total: 130 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. Assuming a selected restaurant is not in a city with population size between 50,000 and 100,000, what is the probability the restaurant is in the west?

Explanation / Answer

P(restaurent in west|not in city with population 50000 and 100000)

=P(in region 1,2|population 1,3) =(34+38+35+37)/(144+155)=144/299 =0.4816

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