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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,

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.Over a period of months, an adult male patient has takensevenblood tests for uric acid. The mean concentration wasx=5.30mg/dl.The distribution of uric acid in healthy adult males can be assumed to be normal, with=1.93mg/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 your answers to two decimal places.)

lower limit_____upper limit_____margin of error______

(b)

What conditions are necessary for your calculations? (Select all that apply.)

is known

is unknown

normal distribution of uric acid

nis large

uniform distribution of uric acid

(c)

Interpret your results in the context of this problem.

We are 5% confident that the true uric acid level for this patient falls within this interval.

We are 95% confident that the true uric acid level for this patient falls within this interval.

The probability that this interval contains the true average uric acid level for this patient is 0.05.

The probability that this interval contains the true average uric acid level for this patient is 0.95.

(d)

Find the sample size necessary for a 95% confidence level with maximal margin of errorE=1.06for the mean concentration of uric acid in this patient's blood. (Round your answer up to the nearest whole number.)

blood tests

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