A Study of 200 Computer Service Firms Revealed These Incomes

question 56

Multiple Choice

A study of 200 computer service firms revealed these incomes after taxes: What is the probability that a particular firm selected has $1 million or more in income after taxes?

• A)0.00
• B)0.25
• C)0.49
• D)0.51

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Definitions:

Confidence Interval

A span of values, based on the analysis of samples, slated to incorporate the value of an undiscovered parameter of the population.

Confidence Interval

A range of values, derived from the sample data, that is likely to contain the value of an unknown population parameter, with a specified level of confidence.

Sample Size

The number of individuals or observations included in a sample, which affects the precision and reliability of statistical analyses.

Right Skewed

Describes a distribution of data where the tail on the right side of the distribution is longer or fatter than the left side, indicating a majority of the data is concentrated on the left.