Dp2 Mth

Design problems based on probabiltiy MTH 252(H) Discrete mathematrics and probabilty theory section A2701

subm: 5-5-09

Note: all questions carry equal marks 5 each question date of assignment:25 april 09 date of submission:5 may 09 dps should be made on loose blank sheets only and should be submitted well on time. Q1)A number was drawn at random from the numbers 1 to 50.what is the probabilty that it will be multiple of 2 or 3 or 10? Q2)A survey conducted over the last 25 years indicated that in 10 yrs, the winter was mild,in 8 yrs it was cold and in the remaining 7 yrs it was very cold.Acompany sells 1000 woolen coats in a mild year,1300 in a cold year and 2000 in a very cold year.If the woolen coat costs Rs b173 and is sold for Rs 248.Find the yearly expected profit company. Q3)An insurance company insured 2000 scooters drivers,4000 car drivers & 6000 truck.The probability of accident is 0.01,0.03 and 0.15 respectively.One of the insured person meets an accident.What id the probabiltythat he is as scooter driver? Max maks15