Question: First sketch a normal distribution curve, write the given probability or percentage in the appropriate region of the graph, and identify the x-values) being sought.

First sketch a normal distribution curve, write the given probability or percentage in the appropriate region of the graph, and identify the x-values) being sought. Then use technology or a standard normal distribution table to identify the z-score corresponding to that area. Then convert to the equivalent x-value using the formula below, where u is the mean and o is the standard deviation. Note that with many technologies, the x-value can be found directly. x=l+(2:0)

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