Solve the Problem $\mu _ { 1 } = \mu _ { 2 }$

question 55

Multiple Choice

Solve the problem.
-A hypothesis test is to be performed to test the equality of two population means. The sample sizes are large and the samples are independent. A 95% confidence interval for the difference between the population means is (1.4, 8.7) . If the hypothesis test is based on the same samples, which of the following do you know for sure:
A: The hypothesis $\mu _ { 1 } = \mu _ { 2 }$ would be rejected at the $5 \%$ level of significance.
B: The hypothesis $\mu _ { 1 } = \mu _ { 2 }$ would be rejected at the $10 \%$ level of significance.
C: The hypothesis $\mu _ { 1 } = \mu _ { 2 }$ would be rejected at the $1 \%$ level of significance.

• A) A, B, and C
• B) A only
• C) A and C
• D) A and B

---

Definitions:

Battery Case

A legal dispute or instance involving the unconsented physical contact or harm to another person.

Question Of Fact

An issue to be decided by the jury in a trial concerning the reality of events or the existence of conditions.

Court

A governmental institution authorized to decide legal disputes, administer justice, and interpret laws.

Internet Transactions

The act of purchasing, selling, or swapping products, services, or data through the internet.