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Acee Bottling and Distributing bottles and markets Pepsi-Cola products in southwestern Montana. The average fill volume for Pepsi cans is supposed to be 12 ounces. The filling machine has a known standard deviation of 0.05 ounces. Each week, the company selects a simple random sample of 60 cans and carefully measures the volume in each can. The results of the latest sample are shown in the file called Acee Bottling. Based on the data in the sample, what would you conclude about whether the filling process is working as expected? Base your answer on the probability of observing the sample mean you compute for these sample data.
A confidence interval estimate for the population mean is given to be (35.55, 44.12). If the standard deviation is 15.797 and the sample size is 37, answer each of the following: (A) Determine the maximum error of the estimate, E.
IQ scores are normally distributed with a mean of 100 and a std dev of 15. If 25 people are randomly selected for an IQ test, find the probably that their mean score is between 95 and 105.
If the airline books 76 people on a flight for which the maximum number is 74, what is the probability that the number of people who show up will exceed the capacity of the plane?
the quarterly returns of a group of 53 mutual fund with the mean of 3.7 and standard deviation of 5.9 can be modeled by
given the heights of women are normally distributed with a mean of 63.6 inches and a standard deviation of 2.5 inches.
Using the z table in Table E of Appendix C, what are the critical values for a two-tailed test when a = 0.03 .
What is the null hypothesis? Use α =0.05. Compute critical value. Use α =0.05.
Based on this information can we determine the proportion of weeks the family spends less than $200. If so, find this proportion. If not, explain why.
For the following exercises, you do not use the Premiere Products database. 1. The DBA asks for your help in planning the data archive for the following Premiere Products database:
efficacy of a drug. seventy-five 75 people with hypertension were given a new drug for the treatment of their
If hypothesis test for single population variance is to be conducted by using significance level of to 0.10, a sample size of n = 16, and test is a one-tailed upper-tail test, the critical value is?
Develop a probability distribution for the number of travelers who plan their trips within two weeks of departure.
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