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 Probability and Statistics Basic Probability and Statistics Math Forum

 June 29th, 2011, 08:38 PM #1 Member   Joined: Mar 2011 Posts: 42 Thanks: 0 Probability - Languages in Canada Language English French Asian/ Pacific Other Probability 0.63 0.22 0.06 0.09 A) What is the probability that a Canadian's mother tongue is not English? June 29th, 2011, 11:34 PM #2 Newbie   Joined: Jun 2011 Posts: 1 Thanks: 0 Re: Probability - Languages in Canada hi, I m telling u few important steps to solve the questions of probability. a. Probability of anything is always less than or equal to the 1. That means it never exceed 1. b. If any question come like not of then learn a formula P(not)= 1- P(that thing) it might seem difficult to u but i apply it now then it clarify to u. Ur question is that people in Canada uses is English = 0.63 uses french=0.22 uses asian =0.06 uses pacific =0.09 In question they ask the probability of not using english . So, firstly we calculate the probability of using english. Probability of English P(E)= number of people speak english / total languages used in canada =0.63/0.63+0.22+0.06+0.09 =0.63/1 =0.63 Now, not using english probality is P(Not E)= 1-0.63 (SECOND RULE IS APPLIED HERE) P(Not E) = 0.37 (See here probability is less than one that means first rule applied here so answer is right) Tags canada, languages, probability 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 hippowon Advanced Statistics 4 October 12th, 2012 10:22 AM Denis Math Books 0 March 31st, 2012 07:04 PM kmo_9000 New Users 3 January 12th, 2012 03:26 AM darth_pathos New Users 1 June 20th, 2009 10:38 AM symmetry Algebra 1 April 16th, 2007 04:21 PM

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