Using Your TI-NSpire Calculator: Normal Distributions

11. Start by drawing a sketch. Go back to the calculator screen (1.1) and enter the command normcdf(90,∞, 100,15)either directly or by navigating through the relevant menus on your TI-NSpire. 12. We find that 74.8% of adults score at least 90 on the Weschler IQ test. Remember to round to 3 significant figures. Using the invNorm command ................
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