User Name Remember Me? Password

 Advanced Statistics Advanced Probability and Statistics Math Forum

 February 23rd, 2012, 08:18 PM #1 Newbie   Joined: Feb 2012 Posts: 10 Thanks: 0 2 part probability problem Part 1: It is found that when a particular 4-sided die is rolled a 1 occurs 20.5% of the time, a 2 occurs 24.3% of the time, a 3 occurs 28.8% of the time, and a 4 occurs 26.4% of the time. a) If the die is rolled eight times, what is the probability that an odd number occurs exactly four times? b) What is the expected value of a single roll of the die? Part 2: For the die in problem #9, let the random variable X be defined as X = (the number of times that 2 occurs). If the die is rolled a total of four times: a) Construct a table for the probability distribution of X. b) Construct a histogram for the probability distribution of X. c) Find E(X). February 24th, 2012, 12:34 AM #2 Senior Member   Joined: Oct 2011 From: Belgium Posts: 522 Thanks: 0 Re: 2 part probability problem 1 a) Tags part, probability, problem ### "it is found that when a particular 4-sided die is rolled a 1 occurs"

Click on a term to search for related topics.
 Thread Tools Show Printable Version Email this Page Display Modes Linear Mode Switch to Hybrid Mode Switch to Threaded Mode Similar Threads Thread Thread Starter Forum Replies Last Post Alexis87 Probability and Statistics 4 July 28th, 2013 11:29 AM daigo Probability and Statistics 5 February 23rd, 2012 09:23 AM adiby Calculus 7 August 31st, 2010 03:05 AM haruka-san Advanced Statistics 6 November 28th, 2007 07:29 AM

 Contact - Home - Forums - Cryptocurrency Forum - Top      