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A set of data is normally distributed with a mean of 200 and standard deviation of 50.
· What would be the standard score for a score of 300?
· What percentage of scores is between 200 and 300?
· What would be the percentile rank for a score of 300?
The average cost of a one bedroom apartment in a town is $550 per month. What is the probability of randomly selecting a sample of 50 one bedroom apartments in this town and getting a sample mean of less then $530 if the population standard deviat..
Find each value requested for the distribution of scores in following table. For the following scores the lowest value is x=13 place the scores in a frequency distribution table using.
Your financial advisor sees this and tells you there is a 100% chance XYZ stock will gain over the 2-month period. Would you continue to use this financial advisor? Explain.
According to a national survey of 1,500 Silverman Sachs customers, 1,050 of them were either satisfied or very satisfied with their financial advisor.
Conduct a hypothesis test. What is the p-value and how much evidence is there to conclude that the power plants cooling system is not working properly.
The Niko electronics company just manufactured 5000 CDs, and 3% are defective. If 10 of these CDs are randomly selectedd for testing, what is the proability tha the entire batch is will be rejected.
Management wishes to know how many casks of each wine to make to maximize total. profit. Prepare the linear programming model for this problem.
A salesperson makes four calls per day. A sample of 100 days gives the following frequencies of sales volumes.
What is the appropriate degrees of freedom in this case? Give your answer to four decimal places. What is the lower confidence limit on the interval?
question 1to test the efficacy of admissions or release an emergency room embarks on a controlled experiment. each
The weights are expressed in kilograms.
standard deviation of the heights of young men is about 2.8 inches. suppose (unknown to you) the mean height of all male students is 70 inches. you measure 25 students. what is the sampling distribution of their average height x bar?
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