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The management at Black Angus is considering hiring 8 additional servers. Currently 12 servers are serving 4 tables each per hour. Servers make $11.25 on overtime per hour. Servers are having to work 2 hours of overtime per day 4 days a week. Would hiring 8 additional servers 4 days a week at $7.50 per hour working 6 hour shifts benefit the company more versus paying overtime to current servers? Solve using the five step hypothesis testing.
If random sample of 9 loads is selected for a weight check, determine the probability that mean weight of those loads is more than 40.60 tons.
Please perform a hypothesis test using a .05 significance level on the following information. Next please perform a regression analysis as well as providing a scattered diagram.
The times it takes workers to complete a task at a certain assembly plant are normally distributed with mean = 10 minutes and standard deviation = 2 minutes.
Test the following claim about the difference between 2 populations proportions p1 and p2 for the given level of significance a and given sample statistic. Is it right-tailed, left-tailed, two-tailed. Assume the sample statistic are from independe..
If you are using exponential smoothing for forecasting an annual time series of revenues, what is your forecast for the next year if the smoothed value for this year is $32.4 million?
There are 5,000,000 Adults 25+ in Mtown. An advertiser buys a schedule on Channel 45: 20 spots in early news with an average A25+ quarter hour audience of 150,000, 25 spots in daytime with an average A25+ quarter hour audience of 200,000, and 10 s..
What is a 99% confidence interval for the true proportion of dentists in the population that would make such a recommendation?
The odds of the Dallas Cowboys winning this year's Super Bowl are 3 to 1. Compute the probability of the Cowboys winning
Company wishes to exceed on-time rate of competitors at new hub. Hundreds of flights arrive at location daily. Determine the main advantages and disadvantages of employing sampling in application?
An advertising agency has been hired by a manufacturer of pens to develop an aqdvertising campaign for the upcoming holiday season. To prepare for this project, the research director decides to initiate a study of the effect of advertising on pro..
The structure of a two factor study can be presented as a matrix with levels of one factor determining the rows and the levels of the second factor determining the columns. With this structure in mind, describe the mean differences that are evalua..
Compute the probability which we will get the sample mean greater than 21; which is , compute P(x > 21). Compute the probability that we will get the sample mean less than 19.385; that is, compute P(x
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