For Exercises perform the following steps.

a. State the hypotheses and identify the claim.
b. Find the critical value.
c. Compute the test value.
d. Make the decision.
e. Summarize the results.
Use the traditional method of hypothesis testing unless otherwise specified. Assume all assumptions are valid.

The national Cesarean delivery rate for a recent year was 32.2% (number of live births performed by Cesarean section). A random sample of 100 birth records from three large hospitals showed the following results for type of birth.
Test for homogeneity of proportions using α= 0.10.

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Cesarean Non-Cesarean Hospital A 44 56 Hospital B 28 72 Hospital C 39 61