Give a practical interpretation of the interval, part a. a. with 10% confidence, the true mean failure time of used colored display panels is between the endpoints of the confidence interval. b. with 90% confidence, the true mean failure time of used colored display panels is outside the endpoints of the confidence interval. c. with 90% confidence, the true mean failure time of used colored display panels is between the endpoints of the confidence interval. d. with 10% confidence, the true mean failure time of used colored display panels is outside the endpoints of the confidence interval. e. an interpretation cannot be determined.

Asap describe three different expenses associated with restaurants. choose one of these expenses, and discuss how a manager could handle this expense.

Dr. sperry, a biologist, is using excel to track growth rates of different populations of bacteria. she has a very complex formula in one cell. it begins with “round”. dr. sperry would like to see exactly how excel’s calculation reached the final rounded value that she sees in the cell. what could dr. sperry do to best understand how the calculation was made? try different formulas on her own until she reaches the value shown in excel click on the evaluate formula button in the formulas tab and then click “step in” select the cell and then look at the formula in the formula field of the ribbon remove “round” from the formula in order to see the actual value before rounding

Aproduct has a demand of 4000 units per year. ordering cost is $20, and holding cost is $4 per unit per year. the cost-minimizing solution for this product is to order: ? a. 200 units per order. b. all 4000 units at one time. c. every 20 days. d. 10 times per year. e. none of the above