Test Hypotheses About a Population Mean with Known Using the Classical

question 50

Short Answer

Test Hypotheses about a Population Mean with Known Using the Classical Approach
-A shipping firm suspects that the mean lifetime of the tires used by its trucks is less than 40,000 miles. To check the claim, the firm randomly selects and tests 54 of these tires and gets a mean lifetime of 39,370 miles with a standard deviation of 1200 miles. At $\alpha = 0.05$ , test the shipping firm's claim.

---

Definitions:

Liability to Customers

The legal responsibility of a business to compensate customers for harm, loss, or injury resulting from its products or services.

Unfair Business Practices

Business practices designed to take advantage of consumer inexperience or ignorance.

Exemplary Damages

Exemplary damages, also known as punitive damages, are awarded in a lawsuit as a punishment to the defendant and to deter others from engaging in similar conduct.

Rescind Agreement

The legal act of unilaterally canceling or terminating a contract by one of the parties involved, effectively restoring the parties to their state before the contract was signed.