Probability Programs For Ti 89
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Getting Started with your TI-89 for Statistics. TI 89:geometric Pdf p = probability of success n = number of trials Geometric probability P(X = n) that the first. Statistics with List Editor App for the TI-89. (both software programs and documentation being. The Statistics with List Editor App is available.
TI-89 Home Screen TI-89 Stats/List Editor Notice the difference: When you’re in the catalog, the calculator puts you into alpha mode, so you don’t press [ ALPHA] to select a letter. Office Professional Hybrid 2007 Iso. But when you’re in the Stats/List editor, you do press [ ALPHA] to select a letter. Keystrokes [ CATALOG] [ F3] [ plain ( makes B] [ ▼] [ F5] [ ALPHA ( makes B] Format binompdf(n, p, x) (dialog box) Example 1: Larry’s batting average is.260.
If he’s at bat four times, what is the probability that he gets exactly two hits? Solution: n = 4, p = 0. Medialab Psd2fla Photoshop Plugin on this page. 26, x = 2 Note: Some textbooks use r for number of successes, rather than x.
Binompdf(4.26,2) = 0.2221 Binomial Probability for a Range of x Values To compute the binomial probability for a range of numbers of successes from xlow to xhigh, use the binomcdf function. TI-89 Home Screen TI-89 Stats/List Keystrokes [ CATALOG] [ F3] [ plain ( makes B] [ F5] [ ALPHA ) makes C] Format binomcdf(n, p, xlow, xhigh) (dialog box) Example 2: Larry’s batting average is.260. If he’s at bat six times, what is the probability that he gets two to four hits? Solution: n = 6, p = 0.26, 2 ≤ x ≤ 4 binomcdf(6.26,2,4) = 0.4840 Example 3: Suppose 65% of the registered voters in Dryden are Republicans. In a random sample of ten registered voters, what’s the probability of fewer than six Republicans? Solution: “Fewer than six” is zero through five.