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A control chart for the fraction non-conforming of muffler bearing production is maintained with a p value of 0.10 and a sample size of 75. What is the UCL [a], and the LCL [b]? What is the probability that a shift in the fraction non-conforming to 0.14 is detected in the first sample [c]? What is the minimum sample size for the LCL to be greater than zero [d]?
An auditor for Health Maintenance Services of Georgia reports 40% of policyholders 55 years of older submit a claim during the year. Fifteen policyholders are randomly selected for company records. How many of the policyholders would you expect to ha..
Need to find the value of the Test Statistic and calculate the mean squares for regression and error for the following:
The new study is going to use the confidence level of 90%. The estimator or appreciative must be in 1% of the population proportion. Which is the necessary size of the sample?
Employ the table of standard normal probabilities (z table) to answer the following questions.
Develop the appropriate null and alternative hypotheses and what is the Type I error in this situation? What are the consequences of making this error?
q1. a manufacturing company measures the weight of boxes before shipping them to the customers. if the box weights have
Joes Trucking provides shipping service from the outlying areas of New York City to a known distribution point within Manhattan. To understand the number of trucks required for a given service level agreement defined by a guaranteed delivery i..
the standard deviation of 112 units.. What is the probability that the demand for this item in the upcoming week will be between 600 and 700 units.
Create a hypothesis test which will investigate the variances. Label all steps for your test and show and label each step of the test procedure at a .1 level of significance.
She asked her assistant for a 95% confidence interval, approximately how large a sample did her assistant use to determine the interval estimate?
A random sample of gasoline taxes (in cents) is shown here for 12 states. Use the data to estimate the true population mean gasoline tax with 90% confidence. Does your interval contain the national average of 44.7 cents?
q1. out of a total of 120 musicians in a club 5 can play all the three instruments- guitar violin and flute. it so
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