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Assume grades in a course follow a normal distribution. The average grade in a class is 75, and the standard deviation is 5 points. A professor takes a sample of 10 people in the class and calculates the average for that class is also 75. IN other words, the average grade of the sample is the experiment.
What is the probability of getting an average of less than 75 from any sample?
Z score for 75 = = 0
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For each of the following situations, indicate what the general impact on the Type II error probability will be:
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How would figure out a 90% and 95% confidence interval for the below informaion? What would be the formula? Can I figure this out in Excel or Megastat? How would I do that?
a simple random sample of 300 properties is taken from a collection of 9500 properties 3000 of which do not have
question timescnn voter polls monitor public opinion for the presidential candidates during 2000 presidential
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