Three coins are tossed 72 times, and the number of heads is shown. At α = 0.05, test the null hypothesis that the coins are balanced and randomly tossed.

Perform these 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.

Transcribed Image Text:

No. of heads Frequency310 17 42