A Random Sample of 100 Credit Sales in a Department

question 42

Short Answer

A random sample of 100 credit sales in a department store showed an average sale of $120.00. From past data, it is known that the standard deviation of the population is $40.00.
a.Determine the standard error of the mean.
b.With a 0.95 probability, determine the margin of error.
c.What is the 95% confidence interval of the population mean?

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Definitions:

Electron Transfer Phosphorylation

A process in cellular respiration where electrons are transferred through a series of protein complexes, resulting in the generation of ATP.

Intermembrane Space

The region located between the inner and outer membranes of a mitochondrion or a chloroplast, involved in various cellular processes.

Hydrogen Ions

Positively charged ions (H+) that are formed when hydrogen atoms lose or share their electron.

Aerobic Respiration

A method where cells generate energy with the use of oxygen by decomposing nutrients in the mitochondria through an extended series of steps, resulting in approximately 36 ATP.