On TI-83 Plus family and TI-84 Plus family graphing calculators, the area under the standard normal curve for a z-value of .1 can be found by entering the following: • Set your window settings, by pressing [WINDOW] and setting your values to xmin = - 5, xmax = 5, ymin = -.1 and ymax = .5.

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μ: population mean. σ: population standard deviation. You can access this function on a TI-84 calculator by pressing 2nd and then pressing vars. This will take you to a DISTR