Assume that a sample is used to estimate a population mean . Find the 90% confidence interval for a sample of size 781 with a mean of 66.1 and a standard deviation of 17.7. Enter your answer as a tri-linear inequality accurate to 3 decimal places.
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Q: The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on…
A: GIVEN DATA,μ=58.9σ=18.1n=910z-value at 95% confidence is Zc=1.96
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Q: The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on…
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Q: The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on…
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Q: The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on…
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Q: The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on…
A: From the provided information,sample size (n) = 889Sample mean () = 40.4Sample standard deviation…
Q: The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on…
A: Obtain the 99% confidence interval for the reduction of a typical patient's systolic blood pressure.…
Q: The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on…
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Q: The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on…
A: Answer - Given Average x = 44.9, Sample size n = 1079 Standard deviation s = 21.3…
Q: The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on…
A: given data sample size (n) = 22sample mean ( x¯ ) = 59.7sample standard deviatio (s) =16.580% ci for…
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Q: Estimate how much the drug will lower a typical patient's systolic blood pressure (using a 99%…
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A: x¯=43.6, n=25, s=9.2, α=0.05
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Q: 99% confidence level
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Q: The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on…
A: We have given that, Mean = 18.1 Standard deviation = 8.5 Sample size = 413 We to construct 99%…
Q: The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on…
A: The sample mean is given by, x = 18.1. Sample size, n = 413. The sample standard deviation, s =8.5.…
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A: Given X-bar=75.8 n=424 Standard deviations=9.5
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Q: The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on…
A: Given : n = 843 x¯ = 78.9 s = 21.1 Confidence level = 90%
Q: The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on…
A: Sample size : n=1107 Sample mean : x¯=40.4 Sample standard deviation : s=17.9 Confidence level :…
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A: given data sample size (n) = 621sample mean ( x¯ ) = 44.3sample standard deviation (s) =5.895% ci…
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Q: The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on…
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Q: The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on…
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Q: The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on…
A: Sample mean (x̅) = 71.9 Sample size (n) = 364Standard deviations (s) = 20.1Significance level (α) =…
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A: Given : n= 990.0 , x̄= 44.4 s= 16.9 At 99.0 % confidence level , z score= 2.576
Q: The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on…
A: Given data,Sample mean x=19.8sample sd s =9.3n=642df=n-1=641α=0.05t-critical value at df=641 and…
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Q: The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on…
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Q: The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on…
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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 83.5 for a sample of size 1044 and standard deviation 5.9.Estimate how much the drug will lower a typical patient's systolic blood pressure (using a 95% 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). ________ < μ < _________ Answer should be obtained without any preliminary rounding. However, round critical values to three decimal places.The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on average, the reduction in systolic blood pressure is 58.1 for a sample of size 997 and standard deviation 11.1.Estimate how much the drug will lower a typical patient's systolic blood pressure (using a 80% 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).The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on average, the reduction in systolic blood pressure is 62.3 for a sample of size 817 and standard deviation 8.7. Estimate how much the drug will lower a typical patient's systolic blood pressure (using a 80% 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). Answer should be obtained without any preliminary rounding.
- The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on average, the reduction in systolic blood pressure is 62.2 for a sample of size 22 and standard deviation 19.9. 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.The effectiveness of a blood pressure drug is being investigated. an experimenter finds that on average the reduction in systolic blood pressure is 62.4 for a sample of size 335 and a standard deviation 7.3. estimate how much the drug will lower a typical patients systolic blood pressure using a 98% confidence level. answer as a try linear inequality accurate to one decimal place.The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on average, the reduction in systolic blood pressure is 72.1 for a sample of size 22 and standard deviation 10.5. Estimate how much the drug will lower a typical patient's systolic blood pressure (using a 90% confidence level). Assume the data is from a normally distributed population. Enter your answer as a tri-linear inequality accurate to three decimal places. < μμ <
- The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on average, the reduction in systolic blood pressure is 66.5 for a sample of size 855 and standard deviation 6.3. Estimate how much the drug will lower a typical patient's systolic blood pressure (using a 99% 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). Answer should be obtained without any preliminary rounding.The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on average, the reduction in systolic blood pressure is 77.8 for a sample of size 636 and standard deviation 16.1. Estimate how much the drug will lower a typical patient's systolic blood pressure (using a 98% 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). Answer should be obtained without any preliminary rounding. Check AnswerThe effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on average, the reduction in systolic blood pressure is 44.2 for a sample of size 558 and standard deviation 21.4.Estimate how much the drug will lower a typical patient's systolic blood pressure (using a 80% 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).______< μ <_________
- The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on average, the reduction in systolic blood pressure is 70.9 for a sample of size 793 and standard deviation 8.2. Estimate how much the drug will lower a typical patient's systolic blood pressure (using a 95% 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). < u < Answer should be obtained without any preliminary rounding.The effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on average, the reduction in systolic blood pressure is 58.9 for a sample of size 910 and standard deviation 18.1. Estimate how much the drug will lower a typical patient's systolic blood pressure (using a 95% 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). > 11 > Answer should be obtained without any preliminary rounding. Question Help: DVideo Message instructor DPost to forum Submit Question O Type here to search 101 %23 $ 7 2 4. 6. R T ck C. 3) SIThe effectiveness of a blood-pressure drug is being investigated. An experimenter finds that, on average, the reduction in systalic blood pressure is 82.8 for a sample of size 754 and standard deviation 14.7. Estimate how much the drug will lower a typical patient's systolic blood pressure (using a 90% 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).