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Mathematics 15 Online
OpenStudy (anonymous):

Find the value z of a standard normal variable Z that satisfies each of the following conditions. In each case, sketch a standard normal curve with your value of z marked on the axis. (Do this on paper. Your instructor may ask you to turn in this work. Round your answers to two decimal places.) (a) 5% of the observations fall below z. (b) 40% of the observations fall above z.

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