TABLE 8-1 A Random Sample of 100 Stores from a Large Chain

question 156

True/False

TABLE 8-1
A random sample of 100 stores from a large chain of 500 garden supply stores was selected to determine the mean number of lawnmowers sold at an end-of-season clearance sale. The sample results indicated a mean of 6 and a standard deviation of 2 lawnmowers sold. A 95% confidence interval (5.623 to 6.377) was established based on these results.
-Referring to Table 8-1, 95% of the stores have sold between 5.623 and 6.377 lawnmowers.

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Definitions:

Thrombin

An enzyme in blood plasma that causes the clotting of blood by converting fibrinogen to fibrin.

Prothrombin

A protein present in blood plasma that is converted into active thrombin during coagulation, playing a key role in blood clot formation.

Fibrinogen

A soluble plasma protein that is converted to the insoluble protein fibrin during blood clotting.

Fibrin

A fibrous protein involved in the clotting of blood, formed from fibrinogen in response to injury.