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Q8. (5 points) A bank's loan officer rates applicants for credit. The ratings are normally distributed with a mean of 580 and a standard deviation

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Q8. (5 points) A bank's loan officer rates applicants for credit. The ratings are normally distributed with a mean of 580 and a standard deviation of 50. If 25 different applicants are randomly selected, find the probability that their mean is greater than 720. Find the z score for the mean of 720. Draw a density curve

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