Béda révisi "Sebaran seragam"

26 bita dipupus ,  17 tahun yang lalu
== Kasus diskrit ==
 
AVariabel random variablenu thatmibanda hasunggal any ofnilai ''n'' possiblenu valuesmungkin ''x''<sub>1</sub>, ''x''<sub>2</sub>, ..., ''x''<sub>''n''</sub> thatngabogaan arekamungkinan equallynu probablesarua hasdina asebaran discreteseragam uniform distributiondiskrit, thensaterusna thekamungkinan probabilitykeur ofunggal any outcomehasil ''x''<sub>''i''</sub> isnyaeta 1/''n''. AConto simplegampang exampledina ofsebaran theseragam discretediskrit uniformnyaeta distributionngalungkeun is throwing a fair diedadu. The possibleNilai valuesnu ofmungkin ''x'' arenyaeta 1, 2, 3, 4, 5, 6; anddina eachunggal time the die is thrownalungan, the probabilitykamungkinan ofsalah asahiji givennilai scoremuncul isnyaeta 1/6.
 
Dina kasus nilai variabel random nu mibanda sebaran normal ngarupakeun[[real number|real]], ngamungkinkeun keur ngagambarkeun fungsi kumulatif sebaran dina watesan ''degenarate'' sebaran, nyaeta
In case the values of a random variable with a discrete uniform distribution are [[real number|real]], is possible to express the cumulative distribution function in terms of the degenerate distribution, thus
 
:<math>F(x)={1\over N}\sum_{i=1}^N\theta(x-x_i)</math>
 
where thenumana Heavyside [[step function]] &theta;(''x'') is thengarupakeun CDF of thetina degenerate distributionsebaran atdina ''x'' = 0.
 
== The continuous case ==
5.857

éditan