Question 5 1 pts The New York Times was interested in estimating the true proportions of adults that plan to vote for Donald Trump prior to the presidential election. The New York Times surveyed 1200 people and found that 756 people plan to vote for Donald Trump. Find a 99% condence interval based on this sample data. Round your answers to 3 decimal places. 0 a condence interval cannot be used in this situation O (0.534 , 0.682) O (0.594 , 0.666) O (0.425 , 0.719) Question 6 1 pts You want to generate a confidence interval for the population mean time to complete an Economics Final Exam. You take a random sample of 40 students and find the sample mean time is 93 minutes. Assume from past data you know the population standard deviation to be 10 minutes. Find a 90% confidence interval for the population mean time to complete an Economics Final Exam. Round your answers to 3 decimal places. O (90.399 , 95.601) O (90.340 , 95.660) O (83.000, 103.000) O (90.215 , 97.314)Question 7 1 pts You want to generate a 90% condence interval for the population mean time to complete an Economics Final Exam. You need to determine how many students should be sampled for this condence interval determination. Assume from past data you know the population standard deviation to be 10 minutes. You know that you want your answer to be accurate to within 2 minutes of the true population mean. What sample size of students should be used? 0 915 068 018 Q 136