A Calculus Instructor Uses Computer Aided Instruction and Allows Students $$\begin{array} { c c } \text { Students } & \text { Number of Tests } \\\hline 10 & 1 \\7 & 2 \\2 & 3 \\1 & 4\end{array}$$

question 22

Essay

A calculus instructor uses computer aided instruction and allows students to take the midterm exam as many times as needed until a passing grade is obtained.Following is a record of the number of students in a class of 20 who took the test each number of times. $$\begin{array} { c c } \text { Students } & \text { Number of Tests } \\\hline 10 & 1 \\7 & 2 \\2 & 3 \\1 & 4\end{array}$$
a.Use the relative frequency approach to construct a probability distribution and show that it satisfies the required condition.
b.Find the expected value of the number of tests taken.
c.Compute the variance.
d.Compute the standard deviation.

Recognize when discontinuing a product or segment may not be the best financial decision.

Comprehend the cost-plus pricing strategy and its application.

Understand the total cost method for pricing and its components.

Identify circumstances under which a segment showing a net loss should or should not be discontinued.

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Frameworks that describe the growth, change, and stability across the human lifespan.

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The act of monitoring, recording, and analyzing elements or conditions in a systematic way to gather data.