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Using Excel, please demonstrate use of functions to solve the following probability problem.
Tired of careless spelling and grammar, a company decides to administer a test to all job applicants. The test consists of 20 sentences. Applicants must state whether each sentence contains any grammar or spelling errors. Half the sentences contain errors. The company requires a score of 14 or more.
If an applicant guesses randomly, what is the probability of passing? (Round your answer to 4 decimal places.)
What minimum score would be required to reduce the probability "passing by guessing" to 5 percent or less?
Mighty Manufacturing must decide on the processes to use to produce 1650 units. If machine 1 is used, its production will be between 300 and 1500 units. Machine 2 or machine 3 can be used only if machine 1's production is at least 1000 units. Ma..
Difference in the mean number of times men and women order take-out dinners in a month? What is the p-value?
An airline estimates that 90% of people booked on their flights actually show up. If the airline books 71 peopleon a flight for which the maximum number is 69, what is the probability that the number of people who show up will exceed the capacity ..
These can have a large impact on tenure and promotion decisions at many institutions. One particular instructor had ratings in 3 courses in one semester as given by the table below for the statement "The instructor is an excellent teacher.
What is the 95% confidence interval for the proportion of all delinquent customer accounts at this manufacturing company?
Find a 90% confidence interval for the mean decibel level µ for this type of transit vehicle.
Given the following data, create a scatter diagram (using Excel), click on the points as demonstrated in the Excel workbook, and have Excel place the regression equation and coefficient of correlation on the graph for you. Interpret the results (i..
A baseball player gets a hit in 30 out of 100 times at bat. What is the probability that he gets a hit in his next at bat?
If alternate hypothesis mention that m doesn't equal 4,000, determine the rejection region for the hypothesis test?
Assume that a population is normally distributed with a mean of 100 and a standard deviation of 15. Would it be unusual for the mean of a sample of 3 to be 115 or more? Why or why not?
The manager of the Gander Mountain store in Frogtown, IL, believes that his prices for ammunition are lower than the prices of his primary competitor in the hunting equipment market, Cabela's.
If the computed value for this problem is +2.33, and the level of significance is 0.05, can we conclude that the recall proportions for the two commercials are same?
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