DIST.85P provides some standard statistical distributions. This program was written by S.S. Millwright. Many teachers have indicated to us that they want to have some common statistical distributions available on calculators. This TI-85 program is an attempt to provide some common distributions for your use. The program provides calculations in the Standard-unit Normal, t, Chi-Square, F, Weibull, binomial, Poisson, and hypergeometric distributions. DIST is an abbreviation for distributions. HOW TO USE DIST.85P DIST requires almost 7K bytes of memory. When you run DIST, you must first select the distribution you want from the menu. ------------<------- | | v | ------------------------------------- | | norm | t | chi^2 | more | esc | | ------------------------------------- | | | v | ------------------------------------- | | F | weib| | more | esc | ^ ------------------------------------- | | | v | ------------------------------------- | |binom |poiss| hgeom | more | esc | | ------------------------------------- | | | v | | | ----------------->-- After selecting the distribution, you are prompted for the necessary parameters for that distribution, and then the resulting probability is displayed. You will then see the menu: ------------------------------------- | f(x) | plot | old | new | esc | ------------------------------------- | | v v discrete only optional for some distributions f(x) Steps through the density function by pressing ENTER each time. PLOT allows you to specify a domain and see the distribution plotted. If the distribution is continuous, the area that was calculated is also shaded. OLD allows you to continue calculating in the existing distribution with the previous parameters defined. NEW keeps you in the existing distribution, but will prompt for new parameter values. ESC takes you back to the first menu to select a new distribution.