on. Be sure to include units in your answers. 318 .154 .028 2. The accompanying tables describes results from groups of 10 births from 10 different sets of Rottweiler breeders. The random variable x represents the number of male puppies born among 10 puppies in a liter. a. Determine if the probability distribution given is valid. P(x) 006 12 Find the mean and standard deviation. Be sure to include units in your answers. 041 16 208 203 112 035 014 c. Use the range rule of thumb to identify the range of values that are not significant. .006 d. Are 9 male puppies in a liter usual? Explain