The Next Questions Are Based on the Following Information

question 115

Multiple Choice

The Next Questions Are Based On The Following Information:
An accountant claims to be able to complete a standard tax return in under an hour.For a random sample of 24 tax returns,the accountant averaged 63.2 minutes with a standard deviation of 7.7 minutes.
-What are the appropriate null and alternative hypotheses?

• A)H₀ : μ = 60 and H₁ : μ ≠ 60
• B)H₀ : μ = 60 and H₁ : μ > 60
• C)H₀ : μ = 60 and H₁ : μ < 60
• D)H₀ : μ > 60 and H₁ : μ ≤ 60

---

Definitions:

Flaw

An imperfection or defect in something, which might impair its functionality or reduce its effectiveness.

Continuous Random Variable

A variable that can take an infinite number of values within a given range.

Rainfall

The amount of precipitation, especially rain, that falls in a specific area over a given period.

April

The fourth month of the year in the Gregorian calendar, known for seasonal changes and often associated with spring in the Northern Hemisphere.