The ldl cholesterol levels in a certain population

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Reference no: EM13757817

The LDL cholesterol levels in a certain population has the distribution N(5.9, 0.8).

1. What is the cholesterol level of the 'healthiest' (i.e. lowest!) 20%?

2. What is the cholesterol range of the people between the 25^th and 75^th percentiles?

3. What percentage of people have an LDL level greater than 7?

Reference no: EM13757817

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