Some correct and answer fill blank Problem 10-5 (Algo)Using samples of 194 credit card statements, an auditorfound the following:Use Table-A.SampleNumber with errors.123 44 6 5 8 d. What control limits would give an alpha risk of .03 forthis process? (Round your intermediate calculations to 4decimal places. Round your "z" value to 2 decimal placesand other answers to 4 decimal places.)z =e. What alpha risk would control limits of .0470 and .0122provide? (Round your intermediate calculations to 4decimal places. Round your "z" value to 2 decimalplaces and "alpha risk" value to 4 decimal places.)2.17● yesO no0.0031 toalpha risk =MeanStandard deviationf. Using control limits of .0470 and .0122, is the process incontrol?0.1538g. Suppose that the long-term fraction defective of theprocess is known to be 2 percent. What are the values ofthe mean and standard deviation of the samplingdistribution? (Round your intermediate calculations andfinal answers to 2 decimal places.)

Given data :we need fraction defective ( p hat )sampleno of errorfraction defective…

Answered: d. What control limits would give an…

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter11: Data Analysis And Probability

Section11.5: Interpreting Data

Problem 1C

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In a study conducted by a human resource management organization, 492 human resource professionals were surveyed. Of those surveyed, 83% said that their companies conduct criminal background checks on all job applicants. Complete parts (a) through (d). Question content area bottom Part 1a. What is the exact value that is 83% of 492 survey subjects?
If there are 11 data points in a set of data, what is the number of degrees of freedom? (Enter an exact number as an integer, fraction, or decimal.)
4. Businesses today regularly deal with malicious emails (also known as phishing attacks). Last year, data from an Internet Security Threat Report indicated that 0.2% of all email attachments contained a virus, often ransomware infections in a fake invoice attachment. AAssume that a company receives an average of 700 email attachments per day. How many infected email-attachments would it expect to receive in a 365-day year? Type only the nearest whole number. Do not provide units.
7. You want to test whether there is a statistically significant difference in the stock market forecasts of economists versus stockbrokers. A random sample of 36 economists and 25 stockbrokers were asked to report their forecast for the Dow Jones Industrial average for one year from today. Forecasters Number Average Forecast S Economists 36 11200 750 Stockbrokers 25 10700 375 a. Is there a statistically significant difference between the forecasts of the economists and the stockbrokers or can the reported difference be attributed to sampling error? Perform a hypothesis test to answer this question and use a 5% significance level. Be sure to include all 4 steps of the hypothesis testing process and to interpret your result. b. Use these data to compute a 95% confidence interval for the difference in the population average forecasts for economists versus stockbrokers. Can you rule out the hypothesis that the stock market forecasts of stockbrokers and economists have the same mean by…

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