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Assume the branch manager requested estimates of the mean selling price of Gulf View condominiums with a margin of error of $40,000 and the mean selling price of No Gulf View condominiums with a margin of error of $15,000. Using 95% confidence, how large should the sample sizes be for each?
We conclude that memory of food intake in the distant past is fair to poor." Explain to your audience why r=0.217 points to this conclusion.
Of the volunteers donating blood in a clinic, 80% have the Rhesus (Rh) factor present in their blood. If five volunteers are randomly selected, what is the probability that at least one does not have the Rh factor?
A farm brings 15 tons of watermelon to market. Find a 90% confidence interval for the population mean cash value of this crop. What is the margin of error?
the cpu of a personal computer has a lifetime that is exponentially distributed with a mean lifetime of six years. you
When doing hypothesis testing we have two ways of making a decision - the critical value method and the p-value method. While both give the same results in terms of determining whether to reject or not reject the null hypothesis
be able to describe the concepts of data representations and use appropriate methods of implementation; be able to calculate different number systems.Marking criteria
assume that a simple random sample has been selected from a normally distributed population and test the given claim.
Give the null and alternative hypotheses for testing whether there exists a positive linear relationship between y and x - What is the difference between what σx and σ-x measure?
What do we understand for measures of central tendency and what are some examples of measures of central tendency?
members of the general adult population volunteer an average of 4.2 hours per week. a random sample of 20 female
the p-value for a two tail test of hypothesis is 0.014. what is the p-value for the corresponding one tail
Factor the following trinomial using the AC method
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