Mathematics, 30.06.2019 02:40 leandrogarin37p2g5ds
Amarket research firm supplies manufacturers with estimates of the retail sales of their products from samples of retail stores. marketing managers are prone to look at the estimate and ignore sampling error. an srs of 17 stores this year shows mean sales of 85 units of a small appliance, with a standard deviation of 7.4 units. during the same point in time last year, an srs of 11 stores had mean sales of 93.362 units, with standard deviation 14.6 units. a decrease from 93.362 to 85 is a drop of about 10%. construct a 95% confidence interval estimate of the difference μ1−μ2, where μ1 is the mean of this year's sales and μ2 is the mean of last year's sales. the margin of error is (the person with the correct answer to both will get 30 additional points)
Answers: 3
Mathematics, 21.06.2019 16:10
Convert 50 kilogram to pounds. (the conversion factor from kilogram to pound is 2.2046.) a. 52.2 lb. b. 110.2 lb. c. 22.6 lb. d. 47.8 lb.
Answers: 1
Mathematics, 21.06.2019 17:00
High schoolmathematics 5 points keith is the leading goal scorer for a team in an ice hockey league. last season, he scored 42 goals in 82 games. assuming he scores goals at a constant rate, what is the slope of the line that represents this relationship if the number of games is along the x-axis and the number of goals is along the y-axis?
Answers: 1
Mathematics, 21.06.2019 20:20
Select the correct answer from each drop-down menu. the length of a rectangle is 5 inches more than its width. the area of the rectangle is 50 square inches. the quadratic equation that represents this situation is the length of the rectangle is inches.
Answers: 1
Amarket research firm supplies manufacturers with estimates of the retail sales of their products fr...
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