MATHEMATICAL ASSOCIATION OF AMERICA NU m1231-01-1a17 / chapter 7/4 k Sets Chapte

Question

MATHEMATICAL ASSOCIATION OF AMERICA NU m1231-01-1a17 / chapter 7/4 k Sets Chapter 7: Problem 4 lem 4 (1 point) The level of nitrogen oxides (Nox) in the exhaust of a particular car model varnes with mean o 9 grams per mile and standard devation 0.16 grams per mile (a) What sample size is needed so that the standard deviation of the sampling distribution is 0.01 grams per mile ? ANSWER: 1.00 (NOTE: Enter (b) If a smaller sample is considered, the standard deviation for ž would be larger SMALLER LARGER" or "THE SAME" without the quotes ) Note: You can eam partial credit on this problem. You have attempted this problem 4 times Your overall recorded score is 50%. You have unlimited atempts remaining TER 6 PART 11 .ppt Type here to

Explanation / Answer

mean is 0.9 and s is 0.16

SE=standard deviation of sample =s/sqrt(N)

a) SE=0.01=0.16/sqrt(N)=thus N is 16^2=256

b) smaller

Related Questions

Navigate

• Browse (All)
• Browse M
• Subjects

---

---

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