The weekly amount of money spent on maintenance and repairs by a company was observed
Chapter 4, Problem 4.64(choose chapter or problem)
The weekly amount of money spent on maintenance and repairs by a company was observed, over a long period of time, to be approximately normally distributed with mean $400 and standard deviation $20. If $450 is budgeted for next week, what is the probability that the actual costs will exceed the budgeted amount? a Answer the question, using Table 4, Appendix 3. b Applet Exercise Use the applet Normal Probabilities to obtain the answer. c Why are the labeled values different on the two horizontal axes?
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