Which of the Following Statements About Asbestos Is True

question 13

Multiple Choice

Which of the following statements about asbestos is true?

• A) Asbestos is a mineral belonging to the carbonate group of minerals.
• B) The type of asbestos most commonly used in construction materials (chrysotile or "white asbestos") is also the most hazardous to health.
• C) Asbestos can occur in any one of the three rocks types, igneous, sedimentary or metamorphic.
• D) Asbestos is a generic term for any mineral crystal that is a fiber (i.e. thin and flexible).

---

Definitions:

Z-Test

A statistical test used to determine whether two population means are different when the variances are known and the sample size is large.

Degrees of Freedom

The total number of independent pieces of information that went into the estimation of a parameter or the calculation of a statistic.

Chi-Squared Table Value

A value derived from the chi-squared distribution used in statistical tests to determine the significance of observed data.

Test Statistic

A calculated value from sample data used to make decisions about a hypothesis, indicating whether to reject the null hypothesis.