Re: Binomial Distribution
- To: mathgroup at smc.vnet.net
- Subject: [mg71370] Re: [mg71356] Binomial Distribution
- From: Daniel Lichtblau <danl at wolfram.com>
- Date: Thu, 16 Nov 2006 00:52:51 -0500 (EST)
- References: <200611151145.GAA01517@smc.vnet.net>
Bruce Colletti wrote: > Re Mathematica 5.2 under WinXP. > > Why doesn't the code below return a rational number? > > X = BinomialDistribution[10, 6/10]; > F[x_] := CDF[X, x]; > Rationalize@F@4 > > Thankx. > > Bruce The direct question is how to find the rational value of BetaRegularized[2/5,6,5]. Rationalize works on explicitly approximate numbers, not on symbolic forms that happen to be rational. FunctionExpand will convert BetaRegularized[2/5,6,5] to 1623424/9765625. Daniel Lichtblau Wolfram Research
- References:
- Binomial Distribution
- From: Bruce Colletti <vze269bv@verizon.net>
- Binomial Distribution