Solve the Problem. -A Public Bus Company Official Claims That the Mean Waiting

question 50

Essay

Solve the problem.
-A public bus company official claims that the mean waiting time for bus number 14 during peak hours is less
than 10 minutes. Karen took bus number 14 during peak hours on 18 different occasions. Her mean waiting
time was 7.6 minutes with a standard deviation of 2.3 minutes. At the 0.01 significance level, test the claim that
the mean waiting time is less than 10 minutes. Use the P-value method of testing hypotheses.

---

Definitions:

Checkbook

A book containing blank checks and a register for recording checks written and deposits made.

Electronic Conveniences

Tools and services provided digitally that simplify tasks and transactions, often making daily activities more efficient through technology.

Financial Statement

A proper journal that captures the flow of financial transactions and the economic positioning of an entity, whether a business, an individual, or another type.

Normal Balance

The side of an account (debit or credit) that increases its value; for example, assets and expenses have normal debit balances, while liabilities and revenues have credit balances.