Mathematics, 06.03.2020 15:53 mduncan840
A medical director found mean blood pressure x = 126.07 for an SRS of 72 executives. The standard deviation of the blood pressures of all executives is σ = 15. Give a 90% confidence interval for the mean blood pressure μ of all executives.
Answers: 2
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For what values of the variable x is the expression square root of 7x+14+ square root of 7-x a real number?
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Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?
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A medical director found mean blood pressure x = 126.07 for an SRS of 72 executives. The standard de...
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