Test Hypotheses About a Population Mean with Unknown
-A Local $3.5$

question 82

Short Answer

Test Hypotheses about a Population Mean with Unknown
-A local hardware store claims that the mean waiting time in line is less than $3.5$ minutes. A random sample of 20 customers has a mean of $3.7$ minutes with a standard deviation of $0.8$ minute. If $\alpha = 0.05$ , test the store's claim using P-values.

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Definitions:

Pinocytosis

The process whereby a cell engulfs large amounts of liquid.

Active Transport

The movement of molecules across a cell membrane from a region of lower concentration to one of higher concentration, requiring energy.

Cell Membrane

The structure that surrounds and encloses a cell.

Lipids

A group of naturally occurring molecules that include fats, waxes, sterols, fat-soluble vitamins (such as vitamins A, D, E, and K), monoglycerides, diglycerides, triglycerides, phospholipids, and others.