The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on average, the reduction in systolic blood pressure is 77 for a sample of size 24. Assume the population standard deviation is 6.3. Estimate how much the drug will lower a typical patient's systolic blood pressure (using a 99% confidence level). Assume the data is from a normally distributed population. Round answers to 2 decimal places where possible.

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The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on average,
the reduction in systolic blood pressure is 77 for a sample of size 24. Assume the population standard
deviation is 6.3. Estimate how much the drug will lower a typical patient's systolic blood pressure (using a
99% confidence level). Assume the data is from a normally distributed population. Round answers to 2
decimal places where possible.
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Transcribed Image Text:The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on average, the reduction in systolic blood pressure is 77 for a sample of size 24. Assume the population standard deviation is 6.3. Estimate how much the drug will lower a typical patient's systolic blood pressure (using a 99% confidence level). Assume the data is from a normally distributed population. Round answers to 2 decimal places where possible. Question Help: Written Example Message instructor Submit Question Jump to Answer DELL SC @ # $ & 2 3 4 7 e
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