A scrap metal dealer claims that tye mean of its cash sales in no more than $80, although an Internal revenue service agent believes that the dealer is being dishonest. Observing a sample of 20 cash customers the agent finds the mean cash sales to be $91 with a standard deviation of $21. Assuming the popUlation is distributed Approximately normally, and using the 0.05 level of significance , will the agents suspicion be confirmed
Risk and return
Before understanding the concept of Risk and Return in Financial Management, understanding the two-concept Risk and return individually is necessary.
Capital Asset Pricing Model
Capital asset pricing model, also known as CAPM, shows the relationship between the expected return of the investment and the market at risk. This concept is basically used particularly in the case of stocks or shares. It is also used across finance for pricing assets that have higher risk identity and for evaluating the expected returns for the assets given the risk of those assets and also the cost of capital.
A scrap metal dealer claims that tye mean of its cash sales in no more than $80, although an Internal revenue service agent believes that the dealer is being dishonest. Observing a sample of 20 cash customers the agent finds the mean cash sales to be $91 with a standard deviation of $21. Assuming the popUlation is distributed Approximately normally, and using the 0.05 level of significance , will the agents suspicion be confirmed?
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