Question 2 :

in a city, 46 percent of the population favour the incumbent, john Dewey, for mayor. if a simple random sample of 500 is taken, (a) find the mean and standard deviation of the approximating normal distribution. (b) using continuity correction factor. nd the probability that at least 250 favour [ohn Dewey for mayor. (o) Will the normal distribution make a good approximation to this binomial distribution? Explain your