Homework: Week 3 Homework Question 6, 6.2.26-T Hw smm 43%\" 43 f 100 points Points: 0 of 6 Homework: Week 3 Homework (6.1-6.6) _ _ Assume that adults have IQ scores that are normally distributed with a mean of 102.7 and a standard deviation 20.5. lueStlon \"St '6 Find the first quartile Q1, which is the IQ score separating the bottom 25% from the top 75%. (Hint: Draw a graph.) 3 Question 3 The first quartile is . (Type an integer or decimal rounded to one decimal place as needed.) D Question 4 3 Question 5 3 Question 6 An airliner carries 50 passengers and has doors with a height of 70 in. Heights of men are normally distributed with a Question list K mean of 69.0 in and a standard deviation of 2.8 in. Complete parts (a) through (d). . . . X Question 8 a. If a male passenger is randomly selected, find the probability that he can fit through the doorway without bending. The probability is. Question 9 (Round to four decimal places as needed.) Question 10 X Question 11 Question 12. _ If np a 5 and no a 5, estimate P(at least 11) with n =13 and p = 0.6 by using the normal distribution as an approximation Questlon \"31: I6 to the binomial distribution; if np