Complete parts (a) and (b) below. The number of dogs per household in a small town Dogs 0 1 2 3 4 5 (3: Probability 0.622 0.239 0.090 0.026 b 0.015 0.008 M (a) Find the mean, variance. and standard deviation of the probability distribution. Find the mean of the probability distribution. p: 0.6 (Round to one decimal place as needed.) Find the variance of the probability distribution. 62 = 0.9' (Round to one' decimal place as needed.) 3 Find the standard deviation of the probability distribution. _ 0' = D (Round to one decimal place as needed.) . i . l l l k