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Use table to find each critical values:
1. z for the 94% confidence interval?
2. z for the 78% confidence interval?
3. t and n=23 for the 95% confidence interval
4. t and n=15 for the 98% confidence interval
the frequency distribution below shows the distribution for suspended solid concentrationin ppm in river water of 50
1. graph the average low and high temperatures for the year.2. graph the average monthly precipitation.3. graph the
Standardize the value according to the given average and SD - unstandardize the value according to the given average and SD
If x is a binomial random variable where n = 100 and p = .1, find the possibility that x is less than or equal to 10 using the normal approximation to the binomial.
What is the mean and standard deviation of the sampling distribution of x-bar assuming that mean =20 and standard deviation equals the square root of 20?
Conduct a matched pairs t-test to see if the differences in locations is significant - The air in poultry-processing plants often contains fungus spores.
The owner of a car dealership wants to determine whether there is a relation between the income level and the type of vehicle purchased in their dealership.
If two of totes don't conform to purity requirements, determine the probability that at least one of nonconforming totes is selected in sample?
State the values of the coefficient of correlation and coefficient of determination correct to three decimal places
questionabc company produces a line of internal winchester disks for pcs. the drives uses a 3.5 inch platter from an
During normal business hours on the east coast, calls to the toll-free reservation number of the Nite Time Inn that the numb roy calls per minute can be described by the Poisson distribution.
Using test data on 20 types of laundry detergent, an analyst fitted a regression to predict CostPerLoad (average cost per load in cents per load) using binary predictors.
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