2. The weight (in pounds) for newborn is a normally distributed random variable with a mean of 7.5 pounds and standard deviation of 1.5 pounds. Use this information to answer the following questions. (10 points) Note: You need to use StatCrunch. Explain to me how you used StatCrunch to find the percentage. Also, copy and paste your graph (or write) any information from StatCrunch here. You will not receive any credit if you don't explain your reasoning in words. a) What percent of babies have weight between 6.5 pounds and 9 pounds? Please briefly explain your reasoning in words. b) Is it considered typical for a newborn baby to weigh 6 pounds? Please briefly explain your reasoning in words. You will not receive any credit if you don't explain in words. (Make sure to calculate the appropriate interval for typical values.)