A newspaper stall sells an average of 400 papers per day. Assume that these sales are...
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A newspaper stall sells an average of 400 papers per day. Assume that these sales are normally distributed with a standard deviation of 25. For each of the following probability questions use graph with both X and Z axes and indicates corresponding areas under the normal curve. Find the probability (6 Marks) (i) More than 420 papers will be sold? (ii) At most 410 papers will be sold? (iii) Less than 395 papers will be sold? (iv) Between 390 and 405 papers will be sold? A newspaper stall sells an average of 400 papers per day. Assume that these sales are normally distributed with a standard deviation of 25. For each of the following probability questions use graph with both X and Z axes and indicates corresponding areas under the normal curve. Find the probability (6 Marks) (i) More than 420 papers will be sold? (ii) At most 410 papers will be sold? (iii) Less than 395 papers will be sold? (iv) Between 390 and 405 papers will be sold?
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To solve these probability questions we will use the properties of the normal distribution and stand... View the full answer
Related Book For
Data Analysis and Decision Making
ISBN: 978-0538476126
4th edition
Authors: Christian Albright, Wayne Winston, Christopher Zappe
Posted Date:
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