Question 4 Tries remaining: 3 Marked out of 5.00 '7 Flag question Your investment advisor proposes a monthly income investment scheme which promises a variable income each month. You will invest in it only if you are assured an average monthly income of more than 590 dollars. Your advisor also tells you that, for the past 26 months, the scheme had incomes with an average value of 602 dollars and a standard deviation of 91 dollars. Assume the income approximately foliows a normal distribution. (3) Create a 95% two-sided confidence interval for the average monthly income of this scheme. (Round your answers to 3 decimal places, if needed.) DC} (b) Based on this two-sided confidence interval, should you invest in this scheme? 0 No, since the interval is completely above 590. O No, since the interval contains 590. 0 Yes, since the interval contains 590. 0 Yes, since the interval is completely above 590. (c) Since you are looking for an average monthly income of more than 590 dollars, perhaps a 95% one-sided confidence interval is more appropriate. Find the appropriate bound. (Round your answers to 3 decimal places, if needed.) C} m) (d) Based on this one-sided confidence interval, should you invest in this scheme? 0 No, since the interval contains 590. 0 Yes, since the interval is completely above 590. O No, since the interval is completely above 590. 0 Yes, since the interval contains 590. Check