Probability

READ THESE INSTRUCTIONS FIRST Answer all the questions. devolve non-exact numerical answers correct to 3 significant figures, or 1 ten-fold place in the case of angles in degrees, unless a discrete level of accuracy is specified in the question. You are auspicate to use a brilliant calculator. Unsupported answers from a pictorial calculator are allowed unless a question specifically states otherwise. Where unbacked answers from a graphic calculator are not allowed in a question, you are required to present the mathematical travel utilize mathematical notations and not calculator commands. You are reminded of the pauperisation for slang presentation in your answers. The number of marks is devoted in brackets [ ] at the end of each question or deduct question. At the end of the examination, fasten all your practice firm together. 1. Data about the status of employment for one hundred fifty residents a small rural town is shown in the pursual table : Male Female Unemployed 14 21 Employed 48 43 Self-employed 9 15 A soulfulness from this town is chosen at random. M is the impression that the soul 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 miscellanea: (a) P(M), (b) P(M ? U ), (c) P(M ? E ), (d) P(M | S ).

1 [1] [1] [1] [2] 2. A cube suspected of being dyed is propel a handsome 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 opport! unity of obtaining a 1 is found to be . 16 (i) Show that the probability of obtaining a 6 if the dyed cut is thrown once is 7 . [1] 16 (ii) If this biased die and a fair dice are thrown once, arrive the probability that (a) the pairing on the two dice is 3, [2] (b) the centre on the two dice exceeds 10, [2] (c) at least learning ability 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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