Question 13 (1 point) A survey of an urban university showed that 2,500 of 10,000 students sampled supported a fee increase to fund improvements to the student recreation center. Using the 95% level of confidence, what is the confidence interval for the proportion of students supporting the fee increase? 1) [0..2413, 0.2587) O2) [0.2482, 0.2518] 3) [0.7477, 0.7587] 4) [0.4977, 0.5087) Question 14 (1 point) A couple have three children. If there is a 90% chance of the child being right handed, what is the probability of having three right handed children? 1) 0.729 2) 0.999 3) 0.125 O 4) 0.001 Question 15 (1 point) The time to fly between New York City and San Diego is uniformly distributed with a minimum of 300 minutes and a maximum of 400 minutes. What is the probability that a flight is more than 320 minutes? 1) 73% O2) 27% 3) 20% 4) 80%