A distribution of values is normal with a mean of 230 and a standard deviation o

Question

A distribution of values is normal with a mean of 230 and a standard deviation of 25. From this distribution, you are drawing samples of size 14. Find the interval containing the middle-most 92% of sample means: Enter your answer using interval notation. In this context, either inclusive or exclusive intervals would be acceptable. Your numbers should be accurate to 1 decimal places. Answers obtained ung exactcores or z-scores rounded to 3 decimal places are accepted. License Points possible: 1 Unlimited attempts. Submit

Explanation / Answer

The statistical software output for this problem is:

One sample Z summary confidence interval:
? : Mean of population
Standard deviation = 25

92% confidence interval results:

Hence,

92% confidence interval will be:

(218.3, 241.7)

Mean n Sample Mean Std. Err. L. Limit U. Limit ? 14 230 6.681531 218.30274 241.69726

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

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