Mathematics > EXAM > MATH 225N Week 8 Final Exam (All 50 questions + Answers & Explanations) GRADED A (All)
1. A fitness center claims that the mean amount of time that a person spends at the gym per visit is 33 minutes. Identify the null hypothesis, H0, and the alternative hypothesis, Ha, in terms of the p... arameter μ. 2. The answer choices below represent different hypothesis tests. Which of the choices are right- tailed tests? Select all correct answers. 3. Find the Type II error given that the null hypothesis, H0, is: a building inspector claims that no more than 15% of structures in the county were built without permits. 4. Suppose a chef claims that her meatball weight is less than 4 ounces, on average. Several of her customers do not believe her, so the chef decides to do a hypothesis test, at a 10% significance level, to persuade them. She cooks 14 meatballs. The mean weight of the sample meatballs is 3.7 ounces. The chef knows from experience that the standard deviation for her meatball weight is 0.5 ounces. [Show More]
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