Previous 11121314 1516 17 18 19 20 Next Question 15 of 21 (1 point) View problem

Question

Previous 11121314 1516 17 18 19 20 Next Question 15 of 21 (1 point) View problem in a pop-up Watch your cholesterol: The mean serum cholesterol level for U.S. adults was 202, with a standard deviation of 41 (the units are milligrams per deciliter). A simple random sample of 110 adults is chosen. Use the TI-84 calculator. Round the answers to four decimal places. Part 1 out of 3 What is the probability that the sample mean cholesterol level is greater than 210? The probability that the sample mean cholesterol level is greater than 210 is

Explanation / Answer

probability that sample mean is greater than 210:

( please try 0.0202 if above comes wrong due to rounding error)

for normal distribution z score =(X-?)/? here mean=       ?= 202 std deviation   =?= 41.000 sample size       =n= 110 std error=?x?=?/?n= 3.9092

Related Questions

Navigate

• Browse (All)
• Browse P
• Subjects

---

---

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