The effectiveness of a blood-pressure drug is be the reduction in systolic blood pressure is 29.5 how much the drug will lower a typical patient level). Assume the data is from a normally dist Enter your answer as a trí-linear inequality acc SHE Submit Question
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- The result of an English test was collected, and the grades and gender are summarized below A B C Total Male 5 17 8 30 Female 16 14 2 32 Total 21 31 10 62 Let pp represent the proportion of all female students who would receive a grade of B on this test. Use a 98% confidence interval to estimate pp to three decimal places.Enter your answer as a tri-linear inequality using decimals (not percents). < pp <The result of an anthropology test was collected, and the grades and gender are summarized below A B C Total Male 2 20 16 38 Female 4 11 17 32 Total 6 31 33 70 Let pp represent the proportion of all female students who would receive a grade of C on this test. Use a 99.5% confidence interval to estimate pp to three decimal places.Enter your answer as a tri-linear inequality using decimals (not percents). _______< p< ________The result of an anthropology test was collected, and the grades and gender are summarized below A B C Total Male 7 17 2 26 Female 5 18 14 37 Total 12 35 16 63 Let pp represent the proportion of all female students who would receive a grade of A on this test. Use a 98% confidence interval to estimate pp to three decimal places.Enter your answer as a tri-linear inequality using decimals (not percents). < pp <
- If we want both intervals to hold at the 90% level of confidence, then the individual intervals must hold at a higher level of confidence. Write a brief but detailed explanation of how this could be of importance in a large, complex engineering design such as a rocket booster or a spacecraft.The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on average, the reduction in systolic blood pressure is 48.5 for a sample of size 24 and standard deviation 10.5. Estimate how much the drug will lower a typical patient's systolic blood pressure (using a 80% confidence level). Assume the data is from a normally distributed population. Enter your answer as a tri-linear inequality accurate to three decimal places.___ < μ < ___At one point the average price of regular unleaded gasoline was $3.48 per gallon. Assume that the standard deviation price per gallon is $0.09 per gallon and use Chebyshev's inequality to answer the following. (a) What percentage of gasoline stations had prices within 3 standard deviations of the mean? (b) What percentage of gasoline stations had prices within 2.5 standard deviations of the mean? (a) At least nothing% of gasoline stations had prices within 3 standard deviations of the mean. (Round to two decimal places as needed.) (b) At least nothing% of gasoline stations had prices within 2.5 standard deviations of the mean. (Round to two decimal places as needed.)
- What is the confidence interval 41.4%±3.8%41.4%±3.8% in the form of a trilinear inequality?Giving a test to a group of students, the grades and gender are summarized below A B C Total Male 4 9 20 33 Female 16 19 12 47 Non-binary 10 8 7 47 Total 30 36 39 105 Let ππ represent the percentage of all non-binary students who would receive a grade of B on this test. Use a 80% confidence interval to estimate p to three decimal places.Enter your answer as a tri-linear inequality using decimals (not percents). < p <Express the confidence interval 210.5±104.1 in the form of a trilinear inequality.<μ<
- Assume that a sample is used to estimate a population proportion p . Find the 98% confidence interval for a sample of size 167 with 133 successes ______less than p less than ________ Enter your answer as a tri linear inequality using decimals ( not percents)The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on average, the reduction in systolic blood pressure is 27.8 for a sample of size 25and standard deviation 20.5. Estimate how much the drug will lower a typical patient's systolic blood pressure (using a 95% confidence level). Assume the data is from a normally distributed population. Enter your answer as a tri-linear inequality accurate to three decimal places.