Complete parts (a) and (b) below. The number of dogs per household in a small town Dogs 0 1 2 3 4 5 Probability 0.649 0.084 1 0.226 3 0.022 0.013 0.006 Find the variance of the probability distribution. ?2 = (Round to one decimal place as needed.) Find the standard deviation of the probability distribution. ?= (Round to one decimal place as needed.) (b) Interpret the results in the context of the real-life situation.A. A household on average has 0.5 dog with a standard deviation of 0.9 dog. B. A household on average has 0.8 dog with a standard deviation of 0.9 dog. C. A household on average has 0.9 dog with a standard deviation of 0.5 dog. D. A household on average has 0.5 dog with a standard deviation of 11 dogs.