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The following hypothesis are given:

H0: 30 percent of the observations are in category A, 5% are in B, and 65% are in C.

H1: The distribution of the observations is not as described in H0.

We took a sample of 60, with the following results:

Category fo

A 15

B 20

C 25

a. State the decision rule using the 0.01 significance level. Appendix B.6. (Round the final answer to 3 decimal places.)

Reject H0 if 2 >

.

b. Compute the value of chi-square. (Round the final answer to 2 decimal places.)

Chi-square value

c. What is your decision regarding H0?

(Click to select)

H0.

Solution:From the given data:The null and alternative hypothesis test is:H0:30 % of the

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