1 /* 2 * Licensed to the Apache Software Foundation (ASF) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * The ASF licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 package org.apache.commons.math.distribution; 18 19 /** 20 * The Binomial Distribution. 21 * 22 * <p> 23 * References: 24 * <ul> 25 * <li><a href="http://mathworld.wolfram.com/BinomialDistribution.html"> 26 * Binomial Distribution</a></li> 27 * </ul> 28 * </p> 29 * 30 * @version $Revision: 670469 $ $Date: 2008-06-23 04:01:38 -0400 (Mon, 23 Jun 2008) $ 31 */ 32 public interface BinomialDistribution extends IntegerDistribution { 33 /** 34 * Access the number of trials for this distribution. 35 * @return the number of trials. 36 */ 37 int getNumberOfTrials(); 38 39 /** 40 * Access the probability of success for this distribution. 41 * @return the probability of success. 42 */ 43 double getProbabilityOfSuccess(); 44 45 /** 46 * Change the number of trials for this distribution. 47 * @param trials the new number of trials. 48 */ 49 void setNumberOfTrials(int trials); 50 51 /** 52 * Change the probability of success for this distribution. 53 * @param p the new probability of success. 54 */ 55 void setProbabilityOfSuccess(double p); 56 }