Texas Instruments TI-84 PLUS SILV Guidebook - Page 253
binompdf, Xmin = 0, Xmax = 5
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Üpdf(x,numerator df,denominator df) Note: For this example, Xmin = 0 Xmax = 5 Ymin = 0 Ymax = 1 Fcdf( Ücdf( computes the Ü distribution probability between lowerbound and upperbound for the specified numerator df (degrees of freedom) and denominator df. numerator df and denominator df must be integers > 0. Ücdf(lowerbound,upperbound,numerator df,denominator df) binompdf binompdf( computes a probability at x for the discrete binomial distribution with the specified numtrials and probability of success (p) on each trial. x can be an integer or a list of integers. 0p1 must be true. numtrials must be an integer > 0. If you do not specify x, a list of probabilities from 0 to numtrials is returned. The probability density function (pdf) is: f(x) = ⎛ n⎞ ⎝x⎠ px(1 - p)n - x,x = 0,1,...,n where n = numtrials binompdf(numtrials,p[,x]) Chapter 13: Inferential Statistics and Distributions 246