Please explain steps? Thank you. QUESTION 12 KEY Region 1 = NW Region 2 SW Regio

Question

Please explain steps? Thank you.

QUESTION 12 KEY Region 1 = NW Region 2 SW Region 3 -NE Region 4-SE Population i-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

Since the Restaurant is not located in northwest and population is above 50,000 , the 1st row and 1st cloumn is rooted out of the table.

therefore the Probability that the restaurant is in the city other than nortwest with population over 50,000 will be

(148-53)/450 + (154-34)/450 = 0.47 or 47%

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