Give an appropriate answer.Explain why it is necessary for statisticians to use a sample to make predictions concerning the entire population.
What will be an ideal response?
The population is too large to find all the information necessary. We can only use smaller samples in order to make predictions about the population.
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Evaluate the expression using logarithms. Round to the nearest tenth.
A. 5512.7 B. 1.0 C. 10.6 D. 32.2
Solve the problem.A company offers three mutual fund plans for its employees. Plan I consists of 2 blocks of common stocks, 3 municipal bonds, and 4 blocks of preferred stock. Plan II consists of 2 blocks of common stocks, 2 municipal bonds, and 1 block of preferred stock. Plan III consists of 4 blocks of common stocks, 5 municipal bonds, and 5 blocks of preferred stock. An employee combined these plans so that he has 22 blocks of common stock, 27 municipal bonds, and 26 blocks of preferred stock. How many units of plan III might he have?
A. 0, 1, 2, 3, 4, 5, or 6 B. 3, 4, or 5 C. 0, 1, 2, 3, 4, or 5 D. 3, 4, 5, or 6
Solve the equation.
- 
= 
A. {10} B. {-2} C. {-4} D. {2}
Provide the proper response.Is the graph of a circle the graph of a function? Explain your answer.
What will be an ideal response?