katelyn98912 katelyn98912

28-12-2022
Mathematics

Answered

The lengths of footlong sub sandwiches at a local sub shop follow an approximately normal distribution with unknown mean μ
and standard deviation 0.2 inch. If 20% of these sandwiches are shorter than 11.7 inches, find the mean length μ.
Mean =
inches
(Round to 2 decimal places.)

Answer :

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