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Mathematics, 12.12.2019 04:31 33865

Aresearcher wishes to determine whether people with high blood pressure can reduce their blood pressure by following a particular diet. subjects were randomly assigned to either a treatment group (the diet) or a control group (no diet).the mean blood pressure was determined for each group, and a 95% confidence interval for the difference in the means for the treatment group versus the control group, ? t - ? c, was found to be (-21, -6).

the probability that the mean blood pressure for those on the diet is lower than for those not on the diet is0.95

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