Number of Sales
a Salesperson Makes Five Calls Per Day

question 116

Essay

Number of sales
A salesperson makes five calls per day.A sample of 200 days gives the frequencies of sales volumes listed below $$\begin{array} { | c c | } \hline \begin{array} { c } \text { Number of } \\\text { Sales }\end{array} & \begin{array} { c } \text { Observed } \\\text { Frequency (days) }\end{array} \\\hline 0 & 10 \\1 & 38 \\2 & 69 \\3 & 63 \\4 & 18 \\5 & 2 \\\hline\end{array}$$
-Assume the population is a binomial distribution with a probability of purchase $\pi$
equal to 0.50.Compute the expected frequencies (E_j)for the number of sales by using the binomial tables.Combine if necessary to satisfy the rules of five.

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Definitions:

Undergraduates

Students pursuing their first degree, typically a bachelor's, at a college or university.

Widespread Optimism

A general feeling or belief, shared by a large number of people, that the future will be positive or beneficial, often occurring in periods of economic growth or societal progress.

Postwar Prosperity

A period of economic growth and widespread affluence following the end of a significant conflict, notably observed after World War II in several Western countries.

Unemployment

The state of being without a paid job despite actively looking for one, often used as an economic indicator.