According to a. P(A/city) = P(A int city)/P(city) = 0.50*0.70/0.625 = 0.625 Plea

Question

According to a. P(A/city) = P(A int city)/P(city) = 0.50*0.70/0.625 = 0.625

Please explain how to get that P(city)=0.625?

were issued by cities, 40% by suburbs, and 10% by rural areas. Of the municipal bonds rated B, 60% were issued by cities, 20% by suburbs, and 20% by rural areas. Of the rnu nicipal bonds rated C, 90% were issued by cities, 5% by suburbs, and 5% by rural areas a. If a new municipal bond is to be issued by a city, what is the 4.37 A municipal bond service has three rating categories (A, B, and C). Suppose that in the past year, of the municipal bonds issued throughout the United States, 70% were rated A, 20% were rated B. and 10% were rated C. Of the municipal bonds rated A, 50% probability that it will receive an A rating? b. W hat proportion of municipal bonds are issued by cities? c. What proportion of municipal bonds are issued by suburbs?

Explanation / Answer

According to a. P(A/city) = P(A int city)/P(city) = 0.50*0.70/0.625 = 0.625

Please explain how to get that P(city)=0.625?

were issued by cities, 40% by suburbs, and 10% by rural areas. Of the municipal bonds rated B, 60% were issued by cities, 20% by suburbs, and 20% by rural areas. Of the rnu nicipal bonds rated C, 90% were issued by cities, 5% by suburbs, and 5% by rural areas a. If a new municipal bond is to be issued by a city, what is the 4.37 A municipal bond service has three rating categories (A, B, and C). Suppose that in the past year, of the municipal bonds issued throughout the United States, 70% were rated A, 20% were rated B. and 10% were rated C. Of the municipal bonds rated A, 50% probability that it will receive an A rating? b. W hat proportion of municipal bonds are issued by cities? c. What proportion of municipal bonds are issued by suburbs?

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