What is the approximate mean LDL cholesterol level? (Round your answer to two decimal places.) 141.93 v mg/dL E (b) What is the approximate standard deviation of the LDL cholesterol levels? (Round your answer to two decimal places.) 55.90 x mg/dL 9 (c) What is the approximate proportion of the LDL cholesterol levels that is within one standard deviation of the mean? (Use the empirical rule. Round your answer to the nearest whole number.) 68 % a (d) What is the approximate proportion of the LDL cholesterol levels that more than two standard deviations above the mean? (Use the empirical rule. Round your answer to one decimal place.) 2.5 9 (e) What is the range of LDL cholesterol levels within two standard deviations of the mean? (Round your answers to two decimal places.) 72.14 x mg/dL to 223.22 x mg/dL

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A:

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A: According to the sign chart, we have

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A: Solution: 2. From the given information, the output is given.

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A: Given

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A: Please see the below picture for detailed solution.

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A: Given CO is perpendicular to AO Therefoe ∠COA = 90°  ∠COB = 4θ-30°   and  ∠BOA = θ+20° Also here…

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A: Here, we have to do a simple division.

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A: Given that A~B, And also given that B=C Then obviously that means B~C Which implies that A~B~C

Statements and Logic

Logic is the analysis of general patterns of thoughts without regard to any specific sense of context.