he mean weight of a domestic house cat is 8.9 pounds with a standard deviation of 1.1 pounds. The distribution of domestic house cat weights can be reasonably be approximated by a normal distribution. 1. 2 p a) What is the proportion of domestic house cats weighing less than 9 pounds? 3611 2 p What is the proportion of domestic house cats weighing more than 8.5 pounds? b) c) If a homeowner has two domestic cats, what is the probability both cats weigh less than 9 pounds? 2 pts If a homeowner has two domestic cats, what is the probability both cats weigh between 8.5 pounds and 9 pounds? d) 3 pts e) If a homeowner has two domestic cats, what is the probability both cats weigh over 9 pounds or both cats weigh less than pounds? 3 pts An article in a health magazine suggested getting a dog encouraged more regular walking.. A researcher for the article found that the distribution of time spent walking dogs was approximately normally distributed with a meap-of 38 minutes per day. However, he also found that 13% of dog owners walk their dogs for less than 20 minutes per day, What is the standard deviation of the time, in minutes, dog owners walk their dog per day? 2.