Mathematics, 14.07.2019 22:30 Ecosey123
While researching the cost of school lunches per week across the state, you use a sample size of 45 weekly lunch prices. the standard deviation is known to be 68 cents. in order to be 90% confident, what is the margin of error in units of dollars?
Answers: 1
Mathematics, 21.06.2019 15:20
Which is the equation of an ellipse with directrices at x = ±4 and foci at (2, 0) and (−2, 0)?
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Mathematics, 21.06.2019 18:20
What is the solution to the equation? k/6.4=8.7 2.3 5.568 15.1 55.68
Answers: 1
While researching the cost of school lunches per week across the state, you use a sample size of 45...
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