how can I download an excel file? from the website? how can I download an excel file? from the website?
September 14, 2020
ty function were (xA)2xB, the price of apples were pA, the price of bananas were pB, and his income were m, then Charlie’s demand for apples would be?…
September 14, 2020

The time it takes to complete the assembly of an electric toaster is normally distributed with a standard deviation of 4 minutes. If we randomly select 21 components, what is the probability that the standard deviation for the time of assembly of these units is less than 4.0 minutes? step by step answer pls.

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