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Mathematics, 05.05.2020 18:33 charityclark1141
A computer software vendor claims that a new version of its operating system will crash fewer than 10 times per year on average. A system administrator installs the operating system on a random sample 0f 97 computers. At the end of a year, the sample mean number of crashes is 8.9, with a standard deviation of 3.6. Does the data support the vendor’s claim? Use = 0.01.
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