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. Question 1 You measure 20 watermelons' weights, and find they have a mean weight of 48 ounces. Assume the population standard deviation is 9.5 ounces. Based on this, construct a 99% confidence interval for the true population mean watermelon weight. Give your answers as decimals, to two places ouncesI Question 2 v Assume that a sample is used to estimate a population mean pm. Find the margin of error M.E. that corresponds to a sample of size 10 with a mean of 11.6 and a standard deviation of 12.}lr at a confidence level of 95%. Report ME accurate to one decimal place because the sample statistics are presented Iwith this accuracy. ME. = I I Answer should be obtained without any preliminary rounding. However, the critical value may be rounded to 3 decimal places. . Question 3 The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on average, the reduction in systolic blood pressure is 54.2 for a sample of size 378 and standard deviation 13.2. Estimate how much the drug will lower a typical patient's systolic blood pressure (using a 9% confidence level). Enter your answer as a tri-linear inequality accurate to one decimal place (because the sample statistics are reported accurate to one decimal place). A. student was asked to nd a 98% confidence interval for widget width using data from a random sample of size n = 26. Which of the following is a correct interpretation of the interval 10.3