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The percentage rates of home ownership for 8 randomly selected states are listed below. Estimate the population variance and standard deviation for the percentage rate of home ownership with 99% confidence level.
66.0 75.8 70.9 73.9 63.4 68.5 73.3 65.9
Probability based on addition rule - Find the probability that a randomly chosen sold automobile from this sample is silver or an SUV?
Prepare a frequency distribution from data given below that describes how long it took a person to drive to work in work week.
It is suspected that the mean turnover has changed and is not 6.0. Use the .05 significance level. Give the formula for the test statistic.
To find weighted aggregate price index using Laspeyres and Paasche method.
Using six-step critical value approach, at the 0.05 level of significance, is there evidence that population mean delivery time has been increased below previous population mean value of 25 minutes?
If you draw one ball from the urn what is the probability that it is blue or white?
Construct a 95% confidence interval on the population mean for the following sample data set:
Assume that the amount your town's population grows every year is fixed or constant. Utilize your equation in part b to approximate the population in the year 2030.
An election coming up next week promises to be very close. In fact, assume that 50% are in favor and 50% are against. Suppose you conduct a poll of 791 randomly selected likey votes. Approx. how different will the percent in favor (from the poll) ..
Developing a linear programming problem using Commuter Bus scheduling to minimize the total cost.
If possible, determine a 95% confidence interval for average number of television sets in all 50,000 households. If this is not possible, describe why not.
Find out the crude death rate, age specific death rate, standard death rate and adjusted death rate.
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