Question
A travel agency conducted a survey of the prices charged by ocean cruise ship lines and determined they were approximately normally distributed with a mean
A travel agency conducted a survey of the prices charged by ocean cruise ship lines and determined they were approximately normally distributed with a mean of $110 per day and a standard deviation of $20 per day.
What is the probability that the average charge for a randomly selected sample of 35 ocean cruise ship lines will be less than $99 per day?
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Statistical Techniques In Business And Economics
Authors: Douglas Lind, William Marchal
16th Edition
78020522, 978-0078020520
