(Steps Shown) Many cardiac patients wear implanted pacemakers to control their heartbeat. A plastic connector module mounts on the tope of the pacemaker.
Question: Many cardiac patients wear implanted pacemakers to control their heartbeat. A plastic connector module mounts on the tope of the pacemaker. Assuming a standard deviation of 0.0015 and an approximate normal distribution, find a 95% confidence interval for the mean of all connectors made by a certain manufacturing company. A random sample of 75 modules has an average of 0.310 inch. (confidence interval for a normal distribution)
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