Woof Chow Dog Food Company Believes That It Has a Market

Multiple Choice

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:

A) H0 : ρ = .25 Ha : ρ ≠ .25
B) H0 : p = .25 Ha : p ≠ .25
C) H0 : μ = .25 Ha : μ ≠ .25
D) H0 : p ≤ .25 Ha : p > .25