It Is Known That 10% of the Calculators Shipped from a Particular

question 66

Multiple Choice

It is known that 10% of the calculators shipped from a particular factory are defective. What is the probability that none in a random sample of four calculators is defective?

• A) 0.0010
• B) 0.2916
• C) 0.3439
• D) 0.6561

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Definitions:

Error of Estimation

The error of estimation, often referred to as the margin of error, quantifies the uncertainty associated with estimating population parameters based on sample statistics.

Sample Size

The number of observations or data points collected in a study or experiment.

Population Standard Deviation

A measure of the dispersion of a set of data from its mean, considering the entire population.

Confidence Level

The probability that the value of a parameter falls within a specified range of values, often used in confidence intervals.