an indication of cell breakdown. This may be an advance indication of illness such as gout, leukemia, or lymphoma (Reference: Manual of Laboratory and Diagnostic Tests by F. Fischbach). Over a period of months, an adult male patient has taken eight blood tests for uric acid. The mean concentration was x= 5.35mg/dl. The distribution of uric acid in healthy adult males can be assumed to be normal, with o = 1.85 mg/dl. a) Find a 95% confidence interval for the population mean concentration o uric acid in this patient's blood. What is the margin of error? b) What conditions are necessary for your calculations? c) Interpret your results in the context of this problem. %3D cary for a 95% confidence leve

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by date on bottle.
371
Section 7.1 Estimating u When a Is Known
(d) Sample Size Find the sample size necessary for an 80% confidence level
with a maximal margin of error E = 0.08 for the mean weights of the
hummingbirds.
16. Diagnostic Tests: Uric Acid Overproduction of uric acid in the body can be
an indication of cell breakdown. This may be an advance indication of illness
such as gout, leukemia, or lymphoma (Reference: Manual of Laboratory and
Diagnostic Tests by F. Fischbach). Over a period of months, an adult male
patient has taken eight blood tests for uric acid. The mean concentration was
x =
5.35 mg/dl. The distribution of uric acid in healthy adult males can be
assumed to be normal, with o = 1.85 mg/dl.
(a) Find a 95% confidence interval for the population mean concentration of
uric acid in this patient's blood. What is the margin of error?
(b) What conditions are necessary
for
your calculations?
(c) Interpret your results in the context of this problem.
(d) Sample Size Find the sample size necessary for a 95% confidence level
with maximal margin of error E
uric acid in this patient's blood.
= 1.10 for the mean concentration of
F. | Diagnostic Tests: Plasma Volume Total plasma volume is important in
determining the required plasma component in blood replacement therapy
for a person undergoing surgery. Plasma volume is influenced by the overa
health and physical activity of an individual. (Reference: See Problem 16.)
Suppose that a random sample of 45 male firefighters are tested and that th
have a plasma volume sample mean of x = 37.5ml/kg (milliliters plasma
kilogram body weight). Assume that ơ = 7.50ml/kg for the distribution
blood plasma.
nulotion mean blood plasm
Transcribed Image Text:by date on bottle. 371 Section 7.1 Estimating u When a Is Known (d) Sample Size Find the sample size necessary for an 80% confidence level with a maximal margin of error E = 0.08 for the mean weights of the hummingbirds. 16. Diagnostic Tests: Uric Acid Overproduction of uric acid in the body can be an indication of cell breakdown. This may be an advance indication of illness such as gout, leukemia, or lymphoma (Reference: Manual of Laboratory and Diagnostic Tests by F. Fischbach). Over a period of months, an adult male patient has taken eight blood tests for uric acid. The mean concentration was x = 5.35 mg/dl. The distribution of uric acid in healthy adult males can be assumed to be normal, with o = 1.85 mg/dl. (a) Find a 95% confidence interval for the population mean concentration of uric acid in this patient's blood. What is the margin of error? (b) What conditions are necessary for your calculations? (c) Interpret your results in the context of this problem. (d) Sample Size Find the sample size necessary for a 95% confidence level with maximal margin of error E uric acid in this patient's blood. = 1.10 for the mean concentration of F. | Diagnostic Tests: Plasma Volume Total plasma volume is important in determining the required plasma component in blood replacement therapy for a person undergoing surgery. Plasma volume is influenced by the overa health and physical activity of an individual. (Reference: See Problem 16.) Suppose that a random sample of 45 male firefighters are tested and that th have a plasma volume sample mean of x = 37.5ml/kg (milliliters plasma kilogram body weight). Assume that ơ = 7.50ml/kg for the distribution blood plasma. nulotion mean blood plasm
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