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According to a recent survey, about 33% of people polled said they would likely purchase reusable cloth bag for gorceries. Suppose 45 shoppers are interviewd. What is the probability that no more than 28% of shoopers say they are likely to purchase the bags?
How does one find expected profit from a probability demand distribution?
1.we are establishing a quality control program for a process and need to establish the mean and standard deviation for
A major department store chain is interested in estimating the average amount its credit card customers spent on their first visit to the chain's new store in the mall.
Analysis of data sets assignment
what sample size should be used in the funding decision study? Use σ = $4000 as a planning value. ________________
Calculate the standard deviation for this data = since it is a case of grouped data with classes. use group or class midpoints in the formula in place of x values.
Using the high-low method, calculate the total fixed factory overhead cost and the variable factory overhead cost per direct labor hour.
At a =.02 , is the number of sticks of gum a person chews per day actually greater than 8? Use the traditional method of hypothesis testing.
A study of classified advertisements in a local newspaper shows that 204 are help-wanted ads, 520 are real estate ads, and 306 are for other ads.
Select an activity you do on a regular basis (e.g., cooking a meal, cleaning the house, doing homework, etc.) and discuss how you could apply statistical quality control to improve the quality of the output of the activity you choose.
In the context of this scenario, what would be the consequences of making a Type I error?
Describe a hypothesis upon which the manufacturer might wish to conduct a test concerning the relative effectiveness of the new fertilizer.
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