Each month a brokerage house studies various companies and rates each company's stock as being either "low risk" or "moderate to high risk." In a recent report, the brokerage house summarized its findings about 15 aerospace companies and 25 food retailers in the following table:

If we randomly select one of the total of 40 companies, find
a. The probability that the company is a food retailer.
b. The probability that the company's stock is "low risk."
c. The probability that the company's stock is "moderate to high risk."
d. The probability that the company is a food retailer and has a stock that is "low risk."
e. The probability that the company is a food retailer or has a stock that is "low risk."

Transcribed Image Text:

Low Risk Moderate to High Risk Company Type Aerospace company Food retailer 9 15 10