The director of a state agency believes that the average starting salary for clerical employees in the state is less than $30,000 per year.To test her hypothesis,she has collected a simple random sample of 100 starting clerical salaries from across the state and found that the sample mean is $29,750.State the appropriate null and alternative hypotheses. A)H₀: μ ≥ 30,000 H_A: μ 29,750

Question

The director of a state agency believes that the average starting salary for clerical employees in the state is less than $30,000 per year.To test her hypothesis,she has collected a simple random sample of 100 starting clerical salaries from across the state and found that the sample mean is $29,750.State the appropriate null and alternative hypotheses. A)H₀: μ ≥ 30,000 H_A: μ < 30,000 B)H₀: μ ≥ 29,750 H_A: μ < 29,750 C)H₀ : μ ≤ 30,000 H_A: μ > 30,000 D)H₀: μ ≤ 29,750 H_A: μ > 29,750

Quizplus · Accepted Answer

The null hypothesis should be that the average starting salary is greater than or equal to $30,000, and the alternative hypothesis should be that the average starting salary is less than $30,000.

The Director of a State Agency Believes That the Average