The Results of a Census of 2,500 Employees of a Mid-Sized

question 63

Multiple Choice

The results of a census of 2,500 employees of a mid-sized company with 401(k) retirement accounts are as follows: Suppose researchers are going to sample employees from the company for further study.
Based on the relative frequency assessment method,what is the probability that a randomly selected employee will have a 401(k) account balance of between $25,000 and $49,999?

• A)0.1580
• B)0.1040
• C)0.6160
• D)0.4040

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Definitions:

Anion

A negatively charged ion, which is formed when an atom gains one or more electrons.

KCN

Potassium cyanide, a highly toxic compound that can release cyanide ions in solution, used in various industrial processes and, historically, in gold mining.

CN-

The cyanide ion, a negatively charged molecule consisting of one carbon and one nitrogen atom, known for its high toxicity.

Cations

Positively charged ions that are formed when an atom loses one or more electrons.