Woof Chow Dog Food Company believes that it has a market share of 25 percent.It surveys n = 100 dog owners and ask whether or not Woof Chow is their regular brand of dog food.The appropriate null and alternate hypotheses are:

Question

Quizplus · Accepted Answer

The appropriate null and alternate hypotheses for this scenario are as follows:
Null Hypothesis: The proportion of dog owners who use Woof Chow as their regular dog food is equal to 0.25 (p = 0.25) 
Alternative Hypothesis: The proportion of dog owners who use Woof Chow as their regular dog food is different from 0.25 (p ≠ 0.25) 
Option B correctly presents the null and alternative hypotheses, making it the best choice.

Woof Chow Dog Food Company Believes That It Has a Market