a) The weight of Bramley cooking apples is distributed normally with a mean of 240 and a
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b) The income of IT specialists is normally distributed with a mean of £43,000 and a standard deviation of £10,000. What is the proportion of IT specialists earning more than £50,000?
c) The price of product Y in different stores throughout the country is normally distributed with a mean of £2 and a standard deviation of £0.5. Construct a 95% confidence interval for the price of Y.
Related Book For
Applied Statistics in Business and Economics
ISBN: 978-0073521480
4th edition
Authors: David Doane, Lori Seward
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