It Is Known That 80% of All Brand a Zip

question 14

Essay

It is known that 80% of all brand A zip drives work in a satisfactory manner throughout the warranty period (are "success"). Suppose that n = 10 drives are randomly selected. Let X = the number of successes in the sample. The statistic X/n is the sample proportion (fraction) of successes. Obtain the sampling distribution of this statistic. [Hint: One possible value of X/n is .3, corresponding to X = 3. What is the probability of this value (what kind of random variable is X)?]

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Definitions:

Brand Attributes

Characteristics that define the essence and distinctive personality of a brand, influencing how consumers perceive it.

Brand Loyalty

The degree of consumer dedication and preference for a particular brand, often resulting in repeat purchases over time.

Brand Equity

The value and strength of a brand in the market, built through consumer perceptions, recognition, and loyalty.