Probability

READ THESE INSTRUCTIONS FIRST Answer all the questions. engender non-exact numerical answers correct to 3 significant figures, or 1 ten-fold place in the case of angles in degrees, unless a trenchant level of accuracy is specified in the question. You are bear to use a brilliant calculator. Unsupported answers from a intense calculator are allowed unless a question specifically states otherwise. Where single-handedly 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 deprivation 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 do firm together. 1. Data about the status of employment for one hundred fifty residents a small rural town is shown in the avocation table: M ale Female Unemployed 14 21 Employed 48 43 Self-employed 9 15 A mortal from this town is chosen at random. M is the impression that the someone 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 remains: (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 outstanding number of times. It is found 1 that the probabilities of obtaining a 2, 3, 4 or 5 are each equa l 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, take chances the probability that (a) the pairing on the two dice is 3, [2] (b) the burden on the two dice exceeds 10, [2] (c) at least wizard 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

If you want to get a full essay, visit our page: write my paper