Each month a brokerage house studies various companies and rates each companys stock as being either low

Each month a brokerage house studies various companies and rates each company€™s stock as being either €œlow risk€ or €œmoderate 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 €œlow risk.€
c. The probability that the company€™s stock is €œmoderate to high risk.€
d. The probability that the company is a food retailer and has a stock that is €œlow risk.€
e. The probability that the company is a food retailer or has a stock that is €œlow risk.€

Transcribed Image Text:

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