For a Chi-Square Test for Goodness-Of-Fit, Which of the Following

Multiple Choice

For a chi-square test for goodness-of-fit, which of the following is a valid null hypothesis?

A) p₁ = 0.3, p₂ = 0.4, p₃ = 0.3
B) There is no relationship between blood type and hair color in the population.
C) p₁ = 0.25, p₂ = 0.5, p₃ = 0.5
D) All of the above are valid null hypotheses.