16 of 24 (19 This Quiz: 24 pts poss his Question: 1 pt erhion to cost ct , 90% c

Question

16 of 24 (19 This Quiz: 24 pts poss his Question: 1 pt erhion to cost ct , 90% crfde e nn. for the population mean. usti y your decision. r her dis bden can be used explain why. Interpret the os its. use to sta da dno nal dditubrote OA. Use a normal dintution bose to sample is random, te population is nrmal, and is known. B. Use a because the sample is random, n 230, and a is unknown c. sample-warn, ee population is nonnal, and e isrkrown. use a 'detrtuton because Use a normal O D. becase the sample is random n230. and is known. E. Nether a normal distribution nor a t distribution can be used because ether the sample is not random, or n

Explanation / Answer

The statistical software output for this problem is:

One sample T summary confidence interval:
: Mean of population

90% confidence interval results:

Hence,

Which distribution: Option B is correct.

90% confidence interval: (26.90, 29.90)

Interpretation: Option B is correct.

Mean Sample Mean Std. Err. DF L. Limit U. Limit 28.4 0.89561105 46 26.896573 29.903427

Related Questions

Navigate

• Browse (All)
• Browse 1
• Subjects

---

---

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