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In a study of 1228 randomly selected medical malpractice lawsuits, it was found that 856 of them were dismissed. Construct a 95% confidence interval for
In a study of 1228 randomly selected medical malpractice lawsuits, it was found that 856 of them were dismissed. Construct a 95% confidence interval for the proportion of these dismissed lawsuits. Round to 3 decimal places. Please put the lower limit in the first answer blank and the upper limit in the second answer blank. Be sure to put a O in front of your decimal and round to 3 decimal places. Question 2 options: Blank#1| Blank # 2 [ Question 3 (1 point) In a study of 500 random fast food orders, it was found that 13% of them were incorrect. Construct a 99% confidence interval for the proportion of incorrect orders. Round to 3 decimal places. Please put the lower limit in the first answer blank and the upper limit in the second answer blank. Be sure to put a O in front of your decimal and round to 3 decimal places. Question 3 options: Blank#1| Blank#2| In. all 11" I II Question 4 (1 point) Find the minimum sample size you should use to be 90% confident that the estimate has an error within 1% (0.01) of the actual value, with no knowledge of the actual proportion. Type the answer in the blank below. Question 4 options: | Question 5 (1 point) Find the minimum sample size you should use to be 99% confident that the estimate has an error within 3% (0.03) of the actual value, with prior knowledge that the point estimate is 20%. Type the answer in the blank below. Question 5 options: I ____1_2___ I {4| ___!__J_\\. Question 6 (1 point) Find the critical value, Za/2that corresponds to the confidence level of 95%. Round to two decimals. Question 6 options: Question 7 (1 point) 700 students were found to spend an average of 280 minutes per day on their phone with a sample standard deviation of 30 minutes. Find a 99% confidence interval for the amount of time spent per day on their phone. Round to the nearest whole number. Please put the lower limit in blank 1 and the upper limit in blank 2. Please round to the nearest whole number. Question 7 options: Blank # 1 Blank # 2 Question 8 (1 point) 700 students were found to spend an average of 280 minutes per day on their phone with a sample standard deviation of 30 minutes. In the previous question, you found a 99% confidence interval for the amount of time spent per day on their phone.Question 10 (1 point) Find the minimum sample size to estimate the mean IQ of college professors. We want to be 95% confident that our sample mean is within 3 points of the true mean, with a known population standard deviation of 15. Question 10 options: I Question 11 (1 point) A random sample of 175 lobsters had a mean weight of 11.2 ounces and the population standard deviation is known to be 3.3 ounces. Find a 99% confidence interval for the mean weight of all lobsters. Round 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. a 99% confidence interval for the mean weight of all lobsters. Round 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. Question 11 options: 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 24.8 with a known population standard deviation of 5.7. Find a 95% confidence interval for the mean weight of all lobsters. Round 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. Question 12 options: Blank#1| Blank#2| Question 13 (1 point) Saved When you increase your sample size, will your margin of error increase, decrease, or not be affected for a confidence interval? Question 13 options: increase decrease not be affectedQuestion 14 (1 point) (L013) A random sample of 49 New Smyrna Beach residents found that 16 had never gone fishing. Construct a 99% confidence interval to estimate the proportion of New Smyrna Beach residents who have never gone fishing. Question 14 options: r o.195
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