i am really lost - just need help figuring these out so i can learn to solve:

Question 9 (1 point] In a study of a weight loss program, 232 adults participated an lost an average of &] pounch in six months, with a sample standard deviation of 1.0 pounds. Find a 90% confidence interval for the amount of pounds leat in six months. Hound in one decimal Please put the lower limit in blank 1 and the upper limit in blank ? Please round in one decimal place. Blank # 1 Blank # 2 Question 10 (1 point) Find the minimum sample sure to miimats the mean IO) of college professors. We want to be 93% confident that our sample mean in within 3 points of the trus mean, with a known population standard deviation off 15. Question 11 (1 point) A random sample of 1/9 lobaters had a mean weight of 112 curces and the population standard deviation is known to be 3.3 ounces Find a 19% confidence interval for the mean weight of all lobsters. Hound in one decimal place. Please put the lower limit in blank 1 and the upper limit in blank 2 Please round to the one decimal place. Blank # 1 Blank # 2 Question 12 (1 point) In a study of the age of college students, 1050 randomly selected students had a mean age of 24.5 with a known population standard deviation of 5.5. Find a 94% confidence interval for the mean wright of all lobsters. Hound to one decimal place. Please put the lower limit in blank 1 and the upper limit in blank 2 Please round to the one decimal place. Blank # 1 Blank # 2 Question 13 (1 point) When you increase your sample sire, will your margin of error increase, decrease, or not be affected for a confidence intervalt O not be affected Question 14 (1 point) (LOT]] A random sample of 4) New Smyrna Beach residents found that Ia had never gone fishing. Construct a 30% confidence interval to estimate the proportion of New Smyrna Beach residents who have never gone fishing. 0.195 p 0.458 0 0.154p 0.499 0 0.324 p 0 350 0.3012p 0 352 Question 15 (1 point) A random sample of 40 New Smyrna Beach residents found that 1a had never gone fishing. In the previous question, you constructed a 20% confidence interval to estimate the proportion of New Smyrna Beach residents who hume never gone fishing. Provide an interpretation of your calculated confidence interval in the bos below. Please use complete sentences. Note: this question must be manually graded, so the results will not be available immediately