Question
Harry Potter casts a magic spell to find out that the number of times a bad guy scowls in a day is normally distributed with
Harry Potter casts a magic spell to find out that the number of times a bad guy scowls in a day is normally distributed with a standard deviation of 17.3. He then samples 5 bad guys and notices they scowled an average of 35 times per day. Find a 92% confidence interval for the true average number of scowls per day for a bad guy. Use 2 decimal places < <
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A First Course In Probability
Authors: Sheldon Ross
10th Edition
0134753119, 978-0134753119
