Mathematics, 23.05.2021 07:20, corianrigby97
The customer care manager at a cell phone company keeps track of how long each help-line caller spends on hold before speaking to a customer service representative. He finds that the distribution of wait times for all callers has a mean of 12 minutes with a standard deviation of 5 minutes. The distributions is moderately skewed to the right. Suppose the manager takes a random sample of 35 callers and calculates their mean wait time, x. (Please give an explanation)
Answers: 3
Mathematics, 21.06.2019 19:00, ktenz
Asmall business produces and sells balls. the fixed costs are $20 and each ball costs $4.32 to produce. each ball sells for $8.32. write the equations for the total cost, c, and the revenue, r, then use the graphing method to determine how many balls must be sold to break even.
Answers: 3
Mathematics, 21.06.2019 21:30, celeste961
Write 5(6x+4)-2(5x-2) in the form a(bx+c) where a, b and c integers and a> 1
Answers: 2
The customer care manager at a cell phone company keeps track of how long each help-line caller spen...
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