MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN: 9781119256830
Author: Amos Gilat
Publisher: John Wiley & Sons Inc
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7. In a random sample of 250 toner cartridges, the mean number of pages a toner cartridge will print is 4302 and the
standard deviation is 340. The data is known to follow a bell curve.
What percent of the time should a cartridge print between 3962 and 4982 pages?
What percent of the time should a cartridge print more than 4642 pages?
Suppose a toner cartridge printed 5000 pages. What conclusion, if any would you make?
Would a toner cartridge that only printed 4000 pages be 'statistically unusual'? Why or why not
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Transcribed Image Text:7. In a random sample of 250 toner cartridges, the mean number of pages a toner cartridge will print is 4302 and the standard deviation is 340. The data is known to follow a bell curve. What percent of the time should a cartridge print between 3962 and 4982 pages? What percent of the time should a cartridge print more than 4642 pages? Suppose a toner cartridge printed 5000 pages. What conclusion, if any would you make? Would a toner cartridge that only printed 4000 pages be 'statistically unusual'? Why or why not
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