A tourist agency in Nevada claims the mean daily cost of meals and lodging for 2 adults
A tourist agency in Nevada claims the mean daily cost of meals and lodging for 2 adults traveling in the state is
more that $300. You work for a consumer protection advocate and want to test this claim. In a random sample of 35 pairs of adults traveling in Nevada, the mean daily cost of meals and lodging is $316. Assume the population standard deviation is $30. At a =0.10, do you have enough evidence to support the agency’s claim? Answer the following:
A. Identify the claim and state the H0 and Ha.
B. Determine whether the hypothesis test is left-tailed, right-tailed, or two-tailed, and whether to use a z-test, a t-test, or a chi-square test. Explain your reasoning.
C. Choose one of the options. If convenient, use technology.
Option 1: Find the critical value(s), Identify the rejection region(s), and find the appropriate standardized test statistic.
Option 2: Find the appropriate standardized test statistic and the P-value.
D. Decide whether to reject or fail to reject the null hypothesis.
E. Interpret the decision in the context of the original claim.
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