a. Calculate the z-score for an of 46.5 from a sample of size 35.
b. Could this z-score be used in calculating probabilities using Table 3 in Appendix B? Why or why not?
Answer to relevant QuestionsIn Example7. 5, explain how the 0.9773 and the 0.0228 were obtained and what they are used for. a. Describe the distribution of x, the amount of fill per jar. b. Find the probability that one jar selected at random contains between 848 and 855 grams. c. Describe the distribution of , the mean weight for a sample of ...The Bureau of Labor Statistics provides compensation information on and services for various positions.As of May 2008, the national average salary for an RN (registered nurse) was $65,130. Suppose the standard deviation is ...a. What is a sampling distribution of sample means? b. A sample of size 3 is taken from a population, and the sample mean is found. Describe how this sample mean is related to the sampling distribution of sample means. A tire manufacturer claims (based on years of experience with its tires) that the mean mileage of its tires is 35,000 miles and the standard deviation is 5000 miles. A consumer agency randomly selects 100 of these tires and ...
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