Find the sample size necessary for a 95% confidence level with maximal margin of error E = 1.20 for the mean concentration of uric acid in this pa Aol.
Find the sample size necessary for a 95% confidence level with maximal margin of error E = 1.20 for the mean concentration of uric acid in this pa Aol.
MATLAB: An Introduction with Applications
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Author:Amos Gilat
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
Transcribed Image Text:De an Indication or cell breakdoWn. Tnis may be an aovance Indicadon or iiness such as gout, leukemla,
an adult male patient has taken nine blood tests for uric acid. The mean concentration was x = 529 mg/dl. The distribution of uric acid in healthy ac
with o = 1.89 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? (Round y
lower limit
4.06
upper limit
6.52
margin of error
1.23
(b) What conditions are necessary for your calculations? (Select all that apply.)
O uniform distribution of uric acid
normal distribution of uric acid
Oo is unknown
On is large
o is known
(c) Interpret your results in the context of this problem.
O The probability that this interval contains the true average uric acid level for this patient is
0.95.
We are 95% confident that the true uric acid level for this patient falls within this interval.
We are 5% confident that the true uric acid level for this patient falls within this interval.
O The probability that this interval contains the true average uric acid level for this patient is
0.05.
(d) Find the sample size necessary for a 95% confidence level with maximal margin of error E = 1.20 for the mean concentration of uric acid in this pat
Aol.
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