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Assuming that the population is normally distributed, construct a 95% confidence interval for the population mean, based on the following sample size of n=5. 1,2,3,4, and 25. Then change the number 25 to 5 and recalculate the confidence interval.
What are the 3 measures of dispersion/variation in a dataset? How do you calculate each of these 3 measures?
A sample of 40 new baseball with mean of 92.67 and standard deviation of 1.79 does it have a mean hieght that is less than a ball with a mean of 92.84
part-11.1 a random sample of n 50 males showed a mean average daily intake of dairy products equal to 756 grams with a
Creating histogram to determine if the data from three 'product parameters' are normally distributed.
To demonstrate the process is in control or out of control utilizing p-chart. A company which produces nails has retained you as a consultant.
Using this data, is there enough evidence that the average depth of the ice sheet is below 3140 m? Assume that the depth of the ice sheet is normally dstributed. Use a test of hypotheses of level alpha = 0.05.
You are a business executive sponsoring an IT project that will develop a custom-built business application to take product orders over the Internet. You need to get this solution to market fast (in a few months).
Suppose that the average monthly pay for U. S. production worker is 2000$.Assume that available date indicate that production worker wages normally distributed with a standard deviation of 400$ .Suppose that a simple random sample of sides n=6..
Suppose that p = P(female birth) = 0.5. A couple wishes to have exactly one female child in their family. They will have children until they have a girl, then they will stop having children. What is the probability that the family has three childre..
A student passes the test if his/her grade is larger than or equal the passing grade. What score should she set as the lowest passing grade?
A shock can cause the failure of component 1 alone with probability p, component 2 alone with probability q, both components with probability r, or have no effects with probability 1-p-q-r. Suppose no repairs are possible and the system fails when..
Prepare a 10-13-question survey to gather primary data regarding your selected problem statement. Please note that you will not administer this survey as part of this assignment.
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