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If the average price of a new home is 145,000 what is the minimum and maximum prices of the houses a contractor will need to build to include the middle 80% of the market. Assume that the standard deviation is 1500 and the variable is normally distributed.
What parametric test could be used to test for the effect of linoleic acid on SBP? Perform the test in Problem 1, and report a p-value. What nonparametric test could be used to test for the effect of linoleic acid on SBP?
Determine future value of annuity due which has $750 deposited at the starting of each month for 15 years at 5.9% compounded monthly.
Suppose the probability of the worst-case scenario increases Compute the expected value of perfect information
What is the probability that at least one of the alterations is discovered? Find the expected value and variance of the number of altered accounts discovered during the audit.
The standard deviation is 2.5 pounds. Find the probability that the mean of a sample of 55 families will be more than 13 pounds.
Describe a series of steps that could be used to write fractions like 3/4, 2/5, 5/6, 11/8, 3/10, 19/15, 7/20, 8/25, 9/40, or 17/50 in decimal form.
Heather Carielli is a former student who earned a master degree at the Univeristy of Arkansas. When she randomly selected 16 new text books in the college book store she found that they had prices with a mean of $70.41 and a standard deviation of ..
Create a hypothesis test which will investigate the variances. Label all steps for your test and show and label each step of the test procedure at a .1 level of significance.
Assuming the distribution of the salaries is normal, what is the probability that the average for this sample is between $36,000 and $42,000?
According to an IRS study, it takes a mean of 330 minutes for taxpayers to prepare, copy and electronically file a 1040 tax form. The distribution of times follows the normal distribution and the standard deviation is 80 minutes. A consumer watchd..
The mean lifetime of light bulbs made by this manufacturer differs from 55 months? Can we conclude that the mean lifetime of light bulbs made here differs from 55 months?
A set of 50 data values has a mean of 15 and a variance of 25. Find the standard score of a data value = 30.
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