O E Question 4, 8.1.19 HW Score: 37.69%, 6.03 of 16 Homework: ch8 Part 1 of 9 points O Points: 0 of 1 Save The length of human pregnancies is approximately normal with mean p = 266 days and standard deviation o = 16 days. Complete parts (a) through (f). Click here to view the standard normal distribution table (page 1). Click here to view the standard normal distribution table (page 2). (a) What is the probability that a randomly selected pregnancy lasts less than 259 days? The probability that a randomly selected pregnancy lasts less than 259 days is approximately (Round to four decimal places as needed.)