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1. A random sample of 100 medical school applicants at a university has a mean total score of 502 on the MCAT. According to a report, the mean total score for the school's applicants is more than 499. Assume the population standard deviation is 10.6. At α = 0.01, is there enough evidence to support the report's claim? (Source: Association of American Medical Colleges)
a. Identify the claim and state H0 and Ha.
b. Find the standardized test statistic z or t OR find the corresponding P-value.
c. Identify the type of test. Compare the p-value with α OR the standardized test statistic with the critical value of z or t
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an instructor believes that 20 or less of the students who finish a statistics course get an a grade. a sample of 90
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