A Department Store Has Determined That 25% of All Their

question 9

Short Answer

A department store has determined that 25% of all their sales are credit sales. A random sample of 75 sales is selected.
a.What is the probability that the sample proportion will be greater than 0.34?
b.What is the probability that the sample proportion will be between 0.196 and 0.354?
c.What is the probability that the sample proportion will be less than 0.25?
d.What is the probability that the sample proportion will be less than 0.10?

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Definitions:

Personality Assessment

Personality Assessment is the evaluation of an individual's character traits, behaviors, and attitudes, often for psychological, therapeutic, or employment purposes.

Reliable

Reliable refers to the consistency and dependability of a test, measurement, or source, indicating the extent to which it can be trusted to produce the same results under similar conditions.

Norms

Age-based averages.

Comparisons

Evaluations of the similarities and differences between two or more entities.