6.52 It is believed that first-year salaries for newly qualified accountants follow a normal distribution with a
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6.52 It is believed that first-year salaries for newly qualified accountants follow a normal distribution with a standard deviation of $2,500. A random sample of 16 observations was taken.
a. Find the probability that the sample standard deviation is more than $3,000.
b. Find the probability that the sample standard deviation is less than $1,500.
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Related Book For
Essential Mathematics And Statistics For Science
ISBN: 9780470694480
2nd Edition
Authors: Graham Currell, Dr. Antony Dowman
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