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Chocolate-coated Sugar Fun Blast cereal is filled in boxes by weight. The weight of the boxes is approximately normally distributed with a mean of 16 ounces and a standard deviation of 0.2 ounces.
a) What is the probability that the box you buy (chosen at random) will weigh less than 15.5 ounces?
b) What is the probability that the box you buy will weigh between 16 and 16.25 ounces?
c) What do you expect the box you buy to weigh?
d) How much do the heaviest 10% of the full boxes of cereal weigh?
e) What is the range for the middle 50% of the cereal box weights?
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When a sample mean is greater than the true, population mean, the resulting difference is called:
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a publisher has discovered that the number of words contained in a new manuscript is normally distributed with ? 20000
What are the key conceptual differences between these 3 methods? In other words, under what conditions do we choose each method for our analysis, and why?
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If you did not know anything about standard deviation of population from which sample was taken, find out the 95% confidence interval for mean test score.
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