Which of the following is an example of a discrete random variable?

Which of the following is an example of a discrete random variable?

A) The distance you can drive in a car with a full tank of gas.
B) The number of cows on a cattle ranch.
C) The weight of a package at the post office.
D) The amount of rain that falls over a 24-hour period.

Q. 2

Which measure of central location is used to determine an average annual percent increase?

A) arithmetic mean
B) weighted mean
C) geometric mean
D) median

Q. 3

Statistics provides business functional areas with tools to make decisions under conditions of uncertainty.

Indicate whether the statement is true or false

Q. 4

According to Chebyshev's Theorem, at least what percent of the observations lie within 1.25 standard deviations of the mean?

A) 36
B) 56
C) 76
D) 96

Q. 5

Descriptive statistics is the study of a sample that enables a researcher to make projections or estimates about the population from which the sample is drawn.

Indicate whether the statement is true or false

Q. 6

The probability that a person wants neither better fuel efficiency nor a vehicle navigation system is:

A) 0.90
B) 0.10
C) 0.45
D) 0.35

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Which of the following is an example of a discrete random variable?

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