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There are 150 books in a professor's office. You take a random sample of 8 of these books and count the number of pages in them. The data follow: 192 345 97 224 219 304 147 284
a.) Construct a 90% confidence interval for the mean number of pages in the books in this professor's office.
b.) Construct a 90% confidence interval for the total number of pages in all of the professor's books, combined.
c.) What do you need to assume in order to construct the intervals above?
In a study, the carapace lengths (in mm) of Thenus lobster caught near Singapore measured: 78,66,65,63,60,60,58,56,52 and 50 ( the population data is approximately normal).
1. Allen Machines specializes in developing weed-harvesting equipment that is used to clear small lakes of weeds. Allen Machines is contemplating the construction of a machine that would harvest weeds on narrow rivers and waterways. The activ..
What maximum variance of the raw score population could you have and still be able to reject the null hypothesis of μ = 20 (α = .05), if the sample size is 100 and the sample mean is 22?
What are the advantages of ANOVA over the mean test and what are the disadvantages? Where would I use this in my everyday life?
Probabilities can be approximated by the normal probability distribution? Explain What is the probability of between 100 and 110 successes? What is the probability of 130 or more succeses?
Jose scores 842 on the SAT. Assuming that both tests measure the same thing, what score on the ACT is equivalent to Jose's SAT score?
A consumer purchases 12 frozen chickens. What is the probability that the consumer will have more than 6 contaminated chickens.
Prepare a report for the customer that presents the expected value in points of each throw of the darts, and then present a graphic representation.
Locate value of the population mean in your sketch and make an estimate of the standard deviation
The number of T.V. homes in the sample having cable T.V. What is the probability that at least 2 T.V. homes in the sample are served by cable?
Determine the probability of randomly selecting 10 production employees on hot summer day and determining that none of them are absent?
the length of time until the breakdown of an essential piece of equipment is important in the decision of the use of
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