A Continuous Random Variable Would Be an Appropriate Way to Describe

question 38

Multiple Choice

A continuous random variable would be an appropriate way to describe the outcome of which of the following experiments?

• A)the flavor of ice cream chosen by a randomly selected customer
• B)the number of points a soccer team scores in its next game
• C)the number of children born to a woman over the course of her lifetime
• D)the commute time between a person's home and that person's workplace
• E)the color of new car purchased by a customer

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Definitions:

Proportion

A part, share, or number considered in comparative relation to a whole; a statistical measure often used to describe a characteristic of a sample.

Variability

The extent to which data points in a statistical distribution or dataset differ from the average or mean value.

Sample Size

The number of observations or data points collected in a sample from a population.

Central Limit Theorem

A statistical theory that states that, given a sufficiently large sample size from a population with a finite level of variance, the mean of all samples from the same population will be approximately equal to the mean of the population, and the samples will be distributed approximately normally.