Quantative Methods Multiple Choice 1-6 This section contains twenty (20) multiple-choice questions. Answer ALL questions in thissection1. Out of the 3000 families who live in an apartment complex in St. James, 600 paid no income tax lastyear. What is the probability that a randomly selected family from these 3000 families paid income tax lastyear?A) 0.20B) 0.80C) 0.72D) 0.582. Which of the following is an example of a Poisson experiment?A) Tossing a coin 100 times and observing for a head or a tail.B) Rolling a die 20 times and observing for the number 6.C) Drawing three yellow marbles from a box that contains 7 blue, and 11 yellow marbles.D) Finding the probability that a salesperson who sells about 8 cell phones per day sells 10 today.3. Probabilities of different types of vehicle-to-vehicle accidents are shown below:AccidentCar to CarCar to TruckTruck to TruckFind the probability that an accident involves a car.C) 0.11D) 0.19A) 0.81B) 0.70Probability0.700.110.194. Which of the following satisfies a binomial distribution?(i) Each trial has only two outcomes- a success and a failure.(ii) There is infinite number of trials.(iii) The probability of success changes from trial to trial.(iv) Trials are random and independentA) (i), (ii) and (iv) onlyB) (i) and (ii) onlyC) (i) and (iii) onlyD) (i) and (iv) only5. A Poisson distribution has a of 16. The mean, variance and standard deviation are:A) 16, 8, 4B) 16, 4, 2C) 16, 16, 4D) cannot be calculated6. Suppose we have a population that does not follow the normal distribution. What should the minimumsize of the sample selected be, so that the distribution will approximate a normal distribution?A) 5B) 10C) 15D) 30Page 2 of 13

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1. Out of the 3000 families who live in an apartment complex in St. James, 600 paid no income tax last year. What is the probability that a randomly selected family from these 3000 families paid income tax last year? A) 0.20 B) 0.80 C) 0.72 D) 0.58