Question
In: Statistics and Probability
According to a recent poll cholesterol levels in healthy adults are right skewed with a mean...
According to a recent poll cholesterol levels in healthy adults are right skewed with a mean of 209 mg/dL and a standard deviation of 35 mg/dL. A random sample of 42 healthy adults is selected. What is the value of the sample mean cholesterol level such that 92.5% of sample mean values are below this level? a. 259.4 b. 216.777 c. 201.223 d. 158.6
Solutions
orchestra answered 2 years agoRelated Solutions
According to a recent poll, 26% of adults in a certain area have high levels of...
According to a recent poll,
26%
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. Assume the standard
deviation from the recent studies is accurate and known. According
to recent studies, cholesterol levels in healthy adults from the
area average about 205 mg/dL, with a standard deviation of about
35mg/dL, and are roughly Normally...
According to a recent poll, 27% of adults in a certain area have high levels of...
According to a recent poll, 27% 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. Assume the standard deviation from the recent studies is
accurate and known. According to recent studies, cholesterol
levels in healthy adults from the area average about 206 mg/dL,
with a standard deviation of about 35 mg/dL, and are roughly...
Assume that the total cholesterol levels for adults are normally distributed with mean cholesterol level of
Assume that the total cholesterol levels for adults are normally
distributed with mean cholesterol level of 51.6 mg/dL and standard deviation14.3 mg/dL. Find the probability that an individual will have a
cholesterol level greater than 58 mg/dL.
Assume that the cholesterol levels for adults are normally distributed with mean cholesterol level of 51.5...
Assume that the cholesterol levels for adults are normally
distributed with mean cholesterol level of 51.5 mg/dL and standard
deviation of 14.3 mg/dL. Find the probability that an individual
will have a cholesterol level
a.) 60 mg/dL, at least
b.) 40 mg/dL, at most
c.) Between 40 and 60 mg/dL
PLZ show work :)
Cholesterol levels are a major concern to health insurance providers. Cholesterol levels in U.S. adults average...
Cholesterol levels are a major concern to health insurance
providers. Cholesterol levels in U.S. adults average 215 with a
standard deviation of 30. If the cholesterol levels of a sample of
42 U.S. adults is taken, what is the probability that the mean
cholesterol level of the sample 1) Will be less than 200? 2) Will
be between 205 and 225? 3) Will be greater than 220?
2. Suppose that 36% of the clients of a company use smart
phones....
According to one survey, the mean serum cholesterol level for U.S. adults was 203.5 , with...
According to one survey, the mean serum cholesterol level for U.S.
adults was 203.5 , with a standard deviation of 43.6. simple random
sample of 119 adults is chosen. Find the 46 percentile for the
sample mean.
Write only a number as your answer . Round to one decimal
places (for example : 204.1) . Do not write any units .
A manufacturer knows that their items have a lengths that are skewed right, with a mean...
A manufacturer knows that their items have a lengths that are
skewed right, with a mean of 18.5 inches, and standard deviation of
3.9 inches. If 36 items are chosen at random, what is the
probability that their mean length is greater than 16.8 inches?
(Round answer to four decimal places)
A manufacturer knows that their items have a lengths that are skewed right, with a mean...
A manufacturer knows that their items have a lengths that are
skewed right, with a mean of 10.6 inches, and standard deviation of
3.3 inches.
If 46 items are chosen at random, what is the probability that
their mean length is greater than 11.2 inches?
(Round answer to four decimal places)
A manufacturer knows that their items have a lengths that are skewed right, with a mean...
A manufacturer knows that their items have a lengths that are
skewed right, with a mean of 14.2 inches, and standard deviation of
4.4 inches.
If 45 items are chosen at random, what is the probability that
their mean length is greater than 12.7 inches?
Watch your cholesterol: The mean serum cholesterol level for U.S. adults was 204, with a standard...
Watch your cholesterol: The mean serum cholesterol level for U.S.
adults was 204, with a standard deviation of 42.5
(the units are milligrams per deciliter). A simple random sample of
112 adults is chosen. Use the TI-84 calculator.
Round the answers to four decimal places.
Part 1 of 3
What is the probability that the sample mean cholesterol level is
greater than 212?
The probability that the sample mean cholesterol level is greater
than 212 is?
Part 2 of 3...
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