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The quality control manager at Marilyn's Cookies is inspecting a batch of chocolate chip cookies that have just been baked.
If the production process is in control, the mean number of chips per cookie is 6.0 What is the probability that in any particular cookie being inspected:
What is probability that in any partcular cookie being inspected, there are less than 4 chocolate-chips?
How many cookies on average in a batch of 100 should the manager expect to discard based on company's policy? Round to a whole number
The chance of selling any one property is independent of selling another property. Compute the probability of selling at least 4 properties in one week.
A nursing school wants to estimate the true mean annual income of its alumni. It randomly samples 120 of its alumni. The mean annual income was $58,700 with a standard deviation of $1,500.
The manager requires the estimate to be within 1.0 minutes of the population value. What sample size is needed?
Assuming both assertions are correcting and assuming normal distributions, which review book is more likely to result in an SAT gain over 60 points?
If 64 students were randomly sampled, the probability that the sample mean of the sampled students exceeds 73.5 minutes is approximately 0.
If you draw one ball from the urn what is the probability that it is blue or white?
What are the primary advantages and disadvantages of employing sampling in this application?
Management wishes to know how many casks of each wine to make to maximize total. profit. Prepare the linear programming model for this problem.
Create the 95% confidence interval for portion of respondents who feel president is doing a good job. Based on the intervalin part(a), It is sensible to conclude that majority.
A 2007 study reported in Science magazine stated that fifth-grade teachers scored a mean of 3.4 (out of 7) points for "providing evaluative feedback to students on their work." Assume that the sample size was 36 and the sample standard deviation w..
What proportion of observed variation in hardness can be explained by the simple linear regression model relationship between hardness and elapsed time? (Give the answer to three decimal places.)
how many individuals will I need to sample if I want a 95% margin of error to be no more than 3%, I want to know if the results are significant at = 10%. With the information given.
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