Suppose a normal distribution has a meall z score of x 5 5 Find the probability that x z score of x 5 5 Find the probability that x 30 Use a population mean of 54 and SD of 8 P (x 30) The life of Sunshine CD players is normally distributed with a mean of 4 1 years and a standard deviation of 1 3 years A CD player is guaranteed for 3 Nears We are interested in the length of time a CD player lasts Find the probability that a CD player will break down during the guarantee period a Sketch the situation Label and scale the axes Shade the region corresponding to the probability

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Suppose a normal distribution has a meall z-score of x = 5.5? Find the probability that x z-score of x = 5.5? Find the probability

Suppose a normal distribution has a meall z-score of x = 5.5? Find the probability that x

z-score of x = 5.5? Find the probability that x < 30. Use a population mean of 54 and SD of 8. P (x

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