The Average Greyhound Can Reach a Top Speed Of $18.8$ Meters Per Second

question 97

Multiple Choice

The average greyhound can reach a top speed of $18.8$ meters per second. A particular greyhound breeder claims her dogs are faster than the average greyhound. A sample of 50 of her dogs ran, on average, $19.2$ meters per second with a population standard deviation of $1.4$ meters per second. With $\alpha = 0.05$ , is her claim correct?

• A) Yes, because the test value 0.04 falls in the noncritical region.
• B) No, because the test value 0.40 falls in the critical region.
• C) No, because the test value 0.04 falls in the critical region.
• D) Yes, because the test value 2.02 falls in the critical region.

---

Definitions:

Annual Interest Rate

The percentage of principal that is paid as interest to the lender annually, not accounting for the compound interest within that year.

Maturity Value

The final amount payable at the end of a financial instrument's term, including the principal and accumulated interest.

Commercial Paper

Promissory notes issued by large corporations to borrow funds for a short term.

Discount Rate

The interest rate charged to commercial banks and other financial institutions for the loans they take from a country's central bank or Federal Reserve.