Determine the z-scores that mark the 15th percentile and the upper 0.4% of the standard normal distribution.
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1. Determine the z-scores that mark the 15th percentile and the upper 0.4% of the standard
2. Suppose we are studying an extremely right-skewed population with mean ? = 10 and standard deviation ? = 5. What are the parameters of the sampling distribution of the same mean for samples of size n = 50?
3. What is the shape of the sampling distribution of the sample mean in question 4?
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