THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 124

Multiple Choice

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
Investment A has an expected return of 8% with a standard deviation of 2.5%.Investment B has an expected return of 6% with a standard deviation of 1.2%.Assume you invest equally in both investments and that the rates of return are independent.
-A hospital finds that 20% of its accounts are at least 60 days in arrears.A random sample of 500 accounts was taken.What is the probability that fewer than 120 accounts in the sample were at least 60 days in arrears?

• A)0.9875
• B)0.4875
• C)0.5125
• D)0.0125

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Definitions:

Aggregate Expenditure Line

A graphical representation that shows the total amount of spending in an economy (consumption, investment, government spending, and net exports) at various levels of income.

Marginal Propensity to Consume

The fraction of any increase in disposable income spent on consumption, highlighting how consumption changes as income changes.

Price Level

Price level indicates the average of current prices across the entire spectrum of goods and services produced in the economy, often compared over time to assess inflation or deflation.

Aggregate Demand Curve

The total demand curve illustrates the overall volume of goods and services the economy requires at various price points.