A specialty foods company sells "gourmet steaks." The steaks vary in size, with a mean uncooked weight of 1.7 pounds and standard deviation 0.10 pound. Use a normal model for the weight of a steak. Complete parts (a) through (d). (a) Estimate the proportion of steaks that weigh less than 1.6 pounds. The proportion of steaks that weigh less than 1.6 pounds is (Round to four decimal places as needed.)