- The mean sales for tire sales of NTB is $1100; the standard diviation is $50.
a. According to Chebyshev’s Theorem, what percentage of sales will fall between $1000 and $1200?
b. Assume there is a symmetrical bell distribution, using the Empirical Formula, about 99.7% observations will be between what two amounts?
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Paul2021-06-06 19:46:262021-06-06 19:46:26one statistics homework