Casio FX9860GII User Guide - Page 160
Drawing a Normal Probability Distribution Graph, Calculations Using the Distribution Function
UPC - 079767186074
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4. Press K, select the RUN • MAT (or RUN) mode, press *(E)(PROB) ((PROB) on the fx-7400GII) to recall the probability calculation (PROB) menu. (PROB)*(E)(t() @E? DU * fx-7400GII: (PROB) (Normalized variate t for 160.5 cm) (t() @FD DU (Normalized variate t for 175.5 cm) (P()? CHE (P() @ EBCU (Percentage of total) (R()? CHEU (Percentile) Result: -1.633855948 ( -1.634) Result: 0.4963343361 ( 0.496) Result: 0.638921 (63.9% of total) Result: 0.30995 (31.0 percentile) I Drawing a Normal Probability Distribution Graph You can draw a normal probability distribution graph using manual graphing with the RUN • MAT (or RUN) mode. 1. From the Main Menu, enter the RUN • MAT (or RUN) mode. 2. Input the commands to draw a rectangular coordinate graph. 3. Input the probability value. Example To draw a normal probability P (0.5) graph. K RUN • MAT (or RUN) (SKTCH)(Cls)U (GRPH)(Y=) *(E)(PROB)*(E)(P()? DU * fx-7400GII: (PROB) I Calculations Using the Distribution Function Important! • The following operations cannot be performed on the fx-7400GII. You can use special functions in the RUN • MAT mode or PRGM mode to perform calculations that are the same as the STAT mode distribution function calculation (page 6-38). Example To calculate normal probability distribution in the RUN • MAT mode for the data {1, 2, 3}, when the population standard deviation is S = 1.5 and the population mean is ƫ = 2. 6-20