a) State the null and alternative hypotheses.
b) Select the distribution to use. Explain briefly why you selected it.
c) Assuming that they wish to test the claim at alpha = 0.025, determine the rejection and non rejection regions based on your hypotheses in a). State the critical value.
d) Calculate the value of the test statistic.
e) Does the sample information support that the manufacturer's claim is false? Explain your conclusion in words.
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