Use the Following Information

question 30

Short Answer

use the following information. One hundred people are included in a study in which they are compared to a known population that has a mean of 73,a standard deviation of 20,and a rectangular distribution.
-If the sample mean is 75,the lower limit for the 99% confidence interval is __________.

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Definitions:

Helium

The second lightest and second most abundant element in the universe, a noble gas that remains liquid at the lowest temperatures.

Lewis Structure

A diagrammatic method for representing the valence electron configuration of atoms, ions, and molecules, indicating bonds and lone pairs.

Lewis Structures

Lewis structures are diagrams that represent the valence electrons of atoms within a molecule, indicating the bonds between atoms and the lone pairs of electrons.

Double Line

In chemistry, it often represents a double bond between atoms, indicating that two pairs of electrons are shared in the bond.