Mathematics, 14.12.2021 22:40 haitiindianari

Suppose a Normal model describes the number of pages printer ink cartridges last. If we keep track of printed pages for the 47 printers at a company's office, which must be true? I. The page counts for those ink cartridges will be normally distributed.
II. The histogram for those page counts will be symmetric.
III. 95% of those page counts will be within 2 standard deviations of the mean.
None of these is true
a. I only
b. ll only
c. II and III
d. I ,II and III

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Suppose a Normal model describes the number of pages printer ink cartridges last. If we keep track o...