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Blood calcium levels are measured in mg/dL. In patients over 30, ? = 9.7 mg/dL, and...

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Basic Math

Blood calcium levels are measured in mg/dL. In patients over 30,? = 9.7 mg/dL, and ? = 2.42 mg/dL.

a) Give the blood calcium values for the middle 50% ofpatients.

b) Give the blood calcium values for the middle 60% ofpatients.

c) Give the 80th percentile.

d) Are you surprised by the answers to (b) and (c)? Explain.

*** I literally don't know how to solve this. Could you pleasego step by step without assuming that I know anything that way Ican understand this by the end. Thank you!  

Answer & Explanation Solved by verified expert
4.3 Ratings (918 Votes)
a 97 242Middle 50 corresponds to area 0502 025 on either side ofmid valueTable of Area Under Standard Normal Curve gives Z 0675Low sideZ 1645 X 97242SoX 97 1645 X 242 97    See Answer
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