Questions 5,6,7,8,9

6 4 -2 0 2 IID Weights of 1-year-old boys are approximately normally distributed, with a mean of 22.8 lbs and a standard 5 . deviation of about 2.15 Draw a quick sketch of the normal curve for the weights of 1-year-old boys. Shade the area representing the boys who are at least 20 pounds. FO The area is approximately 0.9036. Give two interpretations of this result. Probability that a boys weight is 0.9036 The percent of the boy's weight is 90.36% . .. 6 4 -2 6. Using the z table (see module 3), determine the area under the standard normal curve that lies to the left of a. Z=2.37 Area =_ P(z 1.47) = P(z -2.47) = P(z 1.47) = P(z 0.31) = P(z 1.47) = P(z - 2.47) = P(z 1.47) = P(z 0.31) = P(z