subject
Mathematics, 27.03.2021 04:40 viktoria1198zz

According to a recent​ poll, 25​% of adults in a certain area have high levels of cholesterol. They report that such elevated levels​ "could be financially devastating to the regions healthcare​ system" and are a major concern to health insurance providers. According to recent​ studies, cholesterol levels in healthy adults from the area average about 260 mg/dL, with a standard deviation of about 35 mg/dL, and are roughly Normally distributed. Assume that the standard deviation of the recent studies is accurate enough to be used as the population standard deviation. If the cholesterol levels of a sample of 49 healthy adults from the region is​ taken answer parts (a) through (d). A) What is the probability that the mean cholesterol level of the sample will be no more than 210? B) What is the probability that the mean cholesterol level of the sample will be between 205 and 215? C) What is the probability that the mean cholesterol level of the sample will be less than 200?D) What is the probability that the mean cholesterol level of the sample will be greater than 222?

ansver
Answers: 1

Another question on Mathematics

question
Mathematics, 21.06.2019 15:40
Two parallel lines are crossed by a transversal. what is the value of x? x = 40 x = 70 x = 110 x = 130
Answers: 2
question
Mathematics, 21.06.2019 18:00
Henry is an avid reader, he devours 90 pages in half an hour how many pages has henry read per minute?
Answers: 1
question
Mathematics, 21.06.2019 18:00
Ling listed all of the factors of a mystery number: 1,2,4,8,16,32 what is the mystery number?
Answers: 2
question
Mathematics, 22.06.2019 00:10
Is the number 128.439 a rational number
Answers: 2
You know the right answer?
According to a recent​ poll, 25​% of adults in a certain area have high levels of cholesterol. They...
Questions
question
Mathematics, 27.10.2020 01:00
question
Mathematics, 27.10.2020 01:00
question
Mathematics, 27.10.2020 01:00
Questions on the website: 13722365