Researchers at a Soap Production Company Are Interested in the Purchasing

Researchers at a soap production company are interested in the purchasing differences amongst 3 of their products (Product 1, Product 2, and Product 3) . They state a null hypothesis that there are no differences between mean sales of the 3 products. The alternate hypothesis is stated as:

A) H₁: Not all µ_x are the same (where x is a product)
B) H₀: Not all µ_x are the same (where x is a product)
C) H₁: µ₁ = µ₂ but not µ₃
D) H₀: µ₂ = µ₃ but not µ₁