In Exercises 25 and 26, (a) identify the claim and state H0 and Ha, (b) find the standardized test statistic z, (c) find the corresponding P-value, (d) decide whether to reject or fail to reject the null hypothesis, and (e) interpret the decision in the context of the original claim.
26. Cotton Consumption A researcher claims that the mean annual consumption of cotton is greater than 1.1 million bales per country. A random sample of 67 countries has a mean annual consumption of 1.0 million bales. Assume the population standard deviation is 4.3 million bales. At α = 0.01, can you support the claim? (Source: U.S. Department of Agriculture)
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