Question
A consumer price analyst claims that prices for liquid crystal display (LCD) computer monitors have a mean of $ 170and a standard deviation of $
A consumer price analyst claims that prices for liquid crystal display (LCD) computer monitors have a mean of $ 170and a standard deviation of $ 47.
1. What is the probability that a randomly selected LCD computer monitor costs less than $ 180? Assume here that the prices are normally distributed.
2. You randomly selected 16 LCD compute monitors. What is the probability that their mean cost is less than $ 180? Assume here that the prices are normally distributed
3. You randomly selected 49 LCD compute monitors. What is the probability that their mean cost is less than $ 180?
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A Survey of Mathematics with Applications
Authors: Allen R. Angel, Christine D. Abbott, Dennis Runde
10th edition
134112105, 134112342, 9780134112343, 9780134112268, 134112261, 978-0134112107
