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33) Over the past several months, an adult patient has been treated for tetany (severe muscle...

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Basic Math

33) Over the past several months, an adult patient has beentreated for tetany (severe muscle spasms). This condition isassociated with an average total calcium level below 6 mg/dl.Recently, the patient's total calcium tests gave the followingreadings (in mg/dl). Assume that the population of xvalues has an approximately normal distribution.

9.39.010.59.19.49.810.09.911.212.1

(a) Use a calculator with mean and sample standard deviationkeys to find the sample mean reading x and the samplestandard deviation s. (Round your answers to two decimalplaces.)

x =mg/dl
s =mg/dl


(b) Find a 99.9% confidence interval for the population mean oftotal calcium in this patient's blood. (Round your answer to twodecimal places.)

lower limit    mg/dl
upper limit    mg/dl

Answer & Explanation Solved by verified expert
4.3 Ratings (841 Votes)
Solutionxx293864998110511025918281948836989604101009998011121254412114641x1003x2101481a The sample mean is Mean x n    See Answer
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