At α = 10,testing the Hypothesis That the Proportion of Consumer Industry Companies

question 96

Essay

At α = .10,testing the hypothesis that the proportion of consumer industry companies' (CON)winter-quarter profit growth is more than 2 percent greater than the proportion of banking companies' (BKG)winter-quarter profit growth,given that $\hat { p }_{ C O N }= .20$
$\hat { p } _{B K G} = .14$
n_CON = 300,and n_BKG = 400,can we reject the null hypothesis?

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Definitions:

Competitive Firm

A company that operates in a market where there are many buyers and sellers, and it has little control over the market price.

MC Curve

The graphical representation of how the cost to produce an additional unit of a good changes with the production volume.

Short-Run Supply Curve

A graphical representation showing the quantity of goods a firm is willing and able to supply at different prices over a short period, where at least one input is fixed.

Fixed Costs

Expenses that do not change with the volume of production or sales, such as rent, salaries, and insurance premiums.