A cellular phone service provider believes that there is negative correlation between the minutes used by its customers and the age of the customer.To test this,the following would be the appropriate null and alternative hypotheses: 
Definitions:
Cost Method
An accounting technique used to value an investment, where the investment is recorded at its acquisition cost without adjustment for market changes.
Dividends
Payments made by a corporation to its shareholders, usually derived from the company's profits, representing a portion of the earnings allocated for distribution.
Net Income
The total profit of a company after all expenses, including taxes and operational costs, have been deducted from total revenue.
Cost Method
Cost Method is an accounting methodology for investment, where the investment is recorded at its acquisition cost without considering dividends or changes in market value.
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