Solve the Problem

question 19

Multiple Choice

Solve the problem. Round the standard score to the nearest tenth before using the z-score tables. Express your answer as
a percent rounded to hundredths of a percent.
-A final exam in Math 160 has a mean of 73 with standard deviation 9.8. Assume that a random sample of 24 students is selected and the test score of the sample is computed. Assuming the scores are normally distributed,
What percentage of sample means are between 72 and 74?

• A)30.85%
• B)69.15%
• C)38.3%
• D)61.7%

Determine the most profitable investment option among different interest rates and compounding frequencies.

Calculate the total return on investment, including both income yield and capital gain yield.

Understand the impact of compound interest over multiple periods and its application to real investment scenarios.

Analyze the financial implications of negotiated salary increases over a period.