Mathematics, 25.06.2019 08:30 jrsavala559p9969g
Costs are rising for all kinds of medical care. the mean monthly rent at assisted-living facilities was reported to have increased 17% over the last five years to $3486 (the wall street journal, october 27, 2012). assume this cost estimate is based on a sample of 120 facilities and, from past studies, it can be assumed that the population standard deviation is s = $650. a. develop a 90% confidence interval estimate of the population mean monthly rent. b. develop a 95% confidence interval estimate of the population mean monthly rent. c. develop a 99% confidence interval estimate of the population mean monthly rent. d. what happens to the width of the confidence interval as the confidence level is increased? does this seem reasonable? explain.
Answers: 2
Mathematics, 21.06.2019 19:50
Which of the following describes the graph of y--4x-36 compared to the parent square root function? stretched by a factor of 2, reflected over the x-axis, and translated 9 units right stretched by a factor of 2, reflected over the x-axis, and translated 9 units left stretched by a factor of 2, reflected over the y-axis, and translated 9 units right stretched by a factor of 2, reflected over the y-axis, and translated 9 units left save and exit next submit
Answers: 1
Mathematics, 22.06.2019 01:30
Becca wants to mix fruit juice and soda to make a punch. she can buy fruit juice for $3 a gallon and soda for $4 a gallon. if she wants to make 28 gallons of punch at a cost of $3.25 a gallon, how many gallons of fruit juice and how many gallons of soda should she buy?
Answers: 1
Mathematics, 22.06.2019 01:50
For the right triangle shown, the lengths of two sides are given. find the third side. leave your answer in simplified, radical form.
Answers: 1
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