The Average Number of Hours for a Random Sample of Mail

question 59

Multiple Choice

The average number of hours for a random sample of mail order pharmacists from company A was 50.1 hours last year. It is believed that changes to medical insurance have led to a reduction in the average work week. To test the validity of this belief, the hypotheses are

• A)H₀: U > 50.1, H_{a : U < 50.1.}
• B)H₀: U = 50.1, H_{a : U ≠ 50.1.}
• C)​H₀: U ≤ 50.1, H_{a : U > 50.1.}
• D)H₀: U ≥ 50.1, H_{a : U < 50.1.}

---

Definitions:

Disaffirm

The legal act of rejecting or renouncing a contract or agreement, particularly by a minor.

Basic Necessities

Essential items and services required to meet the basic standards of living, which may include food, shelter, and clothing.

Disparate Impact

Practices in employment, housing, or other areas that adversely affect one group more than another, often unintentionally, leading to discrimination claims.

Life Insurance

A type of insurance that pays out a sum of money either on the death of the insured person or after a set period, intended primarily to provide financial protection to beneficiaries.