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Use the normal distribution to approximate the following probability: According to the most recent Davenport student profile, 47% of students have children under 17 living at home with them. Find the probability that a random sample of 800 students will return more than 50% students with children under 17 living at home with them.
Find the probability of winning jackpot?
Calculate a standard error for the sample mean production rate for the new method and what is the standard error of the $1600 estimate?
In what height interval must the company expect to determine middle 70% of kindergarteners?
The Scatter plot can more easily be generated using the Chart procedure.
Divide your data in half, your first 8 observations and your last 7 observations. Then use ANOVA to test to see if there is a significant difference between the two halves of your data. This list of Webpages that Perform Statistical Calculations h..
Test to see if the mean cell phone bill has changed since 2004. Use a .05 level of significance for the test.
Identify each of the random variables as continuous or discrete.
Given that the mean of all 102 atomic numbers is 51.794, and the population standard deviation is 29.804, what is the probability that the mean of the 40 atomic numbers selected by the student will be at least 57.3?
Consider a four digit uniform random number generator; as in each of the 10,000 values 0.0000 through 9999 is equally likely. Find the mean and variance of the values produced by such a random number generator.
Determine the confidence interval for population mean and the Superintendent wants to determine the average amount of hours per week the student population studies at home.
Assume that Los Arboles had a special program in place to encourage helmet use. Elucidate to what extent did removal of the outlier improve the fit.
Explain why the t distribution is used as a part of the confidence interval.
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