H0: Forty percent of the observations are in category A, 40 percent are in B, and 20 percent are in C.
H1: The observations are not as described in H0.
We took a sample of 60, with the following results.
Category fo
A 30
B 20
C 10
a. State the decision rule using the .01 significance level.
b. Compute the value of chi-square.
c. What is your decision regarding H0?