According to the report, the mean monthly cell phone bill was $49.97 three years

Question

According to the report, the mean monthly cell phone bill was $49.97 three years ago. A researcher suspects that the mean monthly cell phone bill is less today. Determine the null and alternative hypotheses. Choose the correct answer below. H_0:Sigma=$49.97;H_1:Sigma less than $49.97 H_0: =$49.97;H_1: less than $49.97 H_0:Sigma=$49.97;H_1:Sigma greater than $49.97 H_0: =$49.97;H_1: $49.97 Explain what it would mean to make a Type I error. Choose the correct answer below. the sample evidence did not lead the researcher to believe the mean monthly cell phone bill is less than $49.97, when in fact the mean bill is less than $49.97. the sample evidence led the researcher to believe the mean monthly cell phone bill is less than $49.97, when in fact the mean bill is $49.97. the sample evidence led the researcher to believe the mean monthly cell phone bill is different from $49.97, when in fact the mean bill is $49.97. Explain what it would mean to make a Type II error. Choose the correct answer below. the sample evidence led the researcher to believe the mean monthly cell phone bill is less than $49.97, when in fact the mean bill is less than $49.97. the sample evidence did not lead the researcher to believe the mean monthly cell phone bill is less than $49.97, when in fact the mean bill is less than $49.97. the sample evidence did not lead the researcher to believe the mean monthly cell phone bill is different from $49.97, when in fact the mean bill is different from $ 49.97.

Explanation / Answer

) H0: mu=49.97 vs H1: mu<49.97

B) The sample evidence led the researchr to believe that the mean monthly cell phone bill is less than $49.97 when in fact the bill is $49.97.

c) answer is B

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.