The Number of Cars Arriving at Joe Kelly's Oil Change

question 6

Essay

The number of cars arriving at Joe Kelly's oil change and tune-up place during the last 200 hours of operation is observed to be the following: $$\begin{array}{l}\text { Number of }\\\begin{array} { l c } \text { Cars Arriving } & \text { Frequency } \\\hline 3 \text { or less } & 0 \\4 & 10 \\10 & 30 \\6 & 70 \\7 & 50 \\8 & 40 \\9 \text { or more } & 0\end{array}\end{array}$$
Determine the probability distribution of car arrivals.

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Definitions:

Required Return

The return a investor expects to earn on an investment, taking into account the risk associated with it.

Selling

The act of offering goods or services in exchange for money or other compensation.

Dividend

A portion of a company's earnings distributed to shareholders as a return on their investment.

Constant

An unchanging value in an equation or model, or a fixed value that does not vary over time.