Probability

READ THESE INSTRUCTIONS FIRST Answer all the questions. kick down non-exact numerical answers correct to 3 significant figures, or 1 ten-fold place in the case of angles in degrees, unless a distinct level of accuracy is specified in the question. You are name to use a brilliant calculator. Unsupported answers from a intense calculator are allowed unless a question specifically states otherwise. Where unassisted answers from a graphic calculator are not allowed in a question, you are required to present the mathematical step utilize mathematical notations and not calculator commands. You are reminded of the deprivation for slang presentation in your answers. The number of marks is condition in brackets [ ] at the end of each question or deduct question. At the end of the examination, fasten all your cast firm together. 1. Data about the status of employment for one hundred fifty residents a small rural town is shown in the next table: Male Female Unemployed 14 21 Employed 48 43 Self-employed 9 15 A soul from this town is chosen at random. M is the impression that the soulfulness is a male. U is the event that the person is unemployed. E is the event that the person is employed. S is the event that the person is self-employed. point out the following probabilities in exact family: (a) P(M), (b) P(M ? U ), (c) P(M ? E ), (d) P(M | S ).

1 [1] [1] [1] [2] 2. A die suspected of being dyed is propel a bighearted number of times. It is found 1 that the probabilities of obtaining a 2, 3, 4 or 5 are each equal to . The 8 1 opportunity of obtaining ! a 1 is found to be . 16 (i) Show that the probability of obtaining a 6 if the dyed dice is thrown once is 7 . [1] 16 (ii) If this biased dice and a fair dice are thrown once, let out the probability that (a) the pairing on the two dice is 3, [2] (b) the join on the two dice exceeds 10, [2] (c) at least thaumaturge odd number appearing on the two dice. [3] 3. A basket contains 25...If you want to get a full essay, parliamentary law it on our website: OrderCustomPaper.com

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