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(Solved): Each month a brokerage house studies various companies and rates each company ...



Each month a brokerage house studies various companies and rates each companys stock as being either low risk or moderate(c) Determine if the company type is independent of the level of risk of the firms stock. (Round your answers to 4 decimal p???????

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 27 aerospace companies and 33 food retailers in the following table: If we randomly select one of the total of 60 companies (a) Find the probability that the company's stock is moderate to high risk given that the firm is an aerospace company. (Round your answer to 4 decimal places.) (b) Find the probability that the company's stock is moderate to high risk given that the firm is a food retailer. (Round your answer to 4 decimal places.) (c) Determine if the company type is independent of the level of risk of the firm's stock. (Round your answers to 4 decimal places.)


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a)P(moderate to high| aerospace) =15
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