I need some assistance with these two problems please help

Shaquira asked Aug 26, 2023

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Shaquira asked Aug 26, 2023

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8 votes

Given:

$\begin{gathered} n=225 \\ mean(\mu)=6.4 \\ standard\text{ }deviation=4.1 \\ confidence\text{ }interval=99 \end{gathered}$

To Determine: The mean number of the unoccupied seat

Solution

The formula for finding confidence interval given

$CI=\mu\pm z*(\sigma)/(√(n))$

Xll answered Aug 30, 2023

by Xll

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