TABLE 6-1 A Company Has 125 Personal Computers. the Probability That Any

question 144

Multiple Choice

TABLE 6-1
A company has 125 personal computers. The probability that any one of them will require repair on a given day is 0.15.
-Referring to Table 6-1, which of the following is one of the properties required so that the binomial distribution can be used to compute the probability that no more than 2 computers will require repair on a given day?

• A) The number of personal computers the company owns on a given day is fixed.
• B) The probability that a computer that will require repair in the morning is the same as that in the afternoon.
• C) The number of computers that will require repair in the morning is independent of the number of computers that will require repair in the afternoon.
• D) The probability that two or more computers that will require repair in a given day approaches zero.

---

Definitions:

Calculated Value

A numeric value derived from mathematical operations on data or parameters.

Population Variances

A measure of the dispersion of all the values in a population, reflecting how much the individuals within the population differ from the population mean.

Equal Variances

An assumption in certain statistical tests that the variance within each of the groups or samples is the same across all groups or samples.

Random Samples

Samples chosen in such a way that each member of the population has an equal chance of being included.