Sharp EL9900C EL-9900C - Page 187
Distribution functions
UPC - 074000016873
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Chapter 10: Statistics & Regression Calculations 7. Distribution functions The calculator has distribution features to find statistical calculations. To enter the distribution menu, 1. Press S F (F DISTRI). The distribution menu will appear. 2. There are 15 options in the distribution menu. Press ' to navigate between pages, and press { or } to scroll the window. 3. Press E to select the function. 4. Input the specified values. 5. Press E to solve. 01 pdfnorm( pdfnorm(value [, mean, standard deviation]) Finds the probability density of the specified value x for the normal distribution N(µ, σ2). A list cannot be used. * When mean (µ) and standard deviation (σ) are omitted, µ = 0 and σ = 1 are applied. Example Find the nominal distribution probability density for x = 65 when the normal distribution of the test score averages is 60 with a standard deviation of 6. 02 cdfnorm( cdfnorm(lower limit, upper limit [, mean, standard deviation]) Calculates the normal distribution probability of a specified range x for the normal distribution N(µ, σ2). A list cannot be used. * When mean (µ) and standard deviation (σ) are omitted, µ = 0 and σ = 1 are applied. Example Calculate the probability of range x = 54 to 66 in the above sample. 177