Mathematics, 04.10.2021 05:10 noslengerman
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Question 1
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Assume that a sample is used to estimate the life expectancy for males in a certain county. Find the
80% confidence interval for a sample size 57 with a mean of 58.5 years and a standard deviation
of 13.8 years. Enter your answer as an open-interval (i. e., parentheses) accurate to one decimal
place (because the sample statistics are reported accurate to one decimal place).
8096 C. I. =
Answer should be obtained without any preliminary rounding.
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Mathematics, 21.06.2019 19:10
The linear combination method is applied to a system of equations as shown. 4(.25x + .5y = 3.75) → x + 2y = 15 (4x – 8y = 12) → x – 2y = 3 2x = 18 what is the solution of the system of equations? (1,2) (3,9) (5,5) (9,3)
Answers: 1
Mathematics, 21.06.2019 23:30
Line u passes through points (-52, -18) and (-29, 53). line v passes through points (90, 33) and (19, 56). are line u and line v parallel or perpendicular?
Answers: 1
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Question 1
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Assume that a sample is used to estima...
Question 1
<
Assume that a sample is used to estima...
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