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7 July, 10:22

An investigator wanted to construct a 97% confidence interval estimate for the mean of a given population. He took a simple random sample of size n, as indicated above, and constructed a confidence interval of (-9.3, 15.3) according to the methods indicated in class. What was the (approximate) probability that the investigator's procedure would produce an interval that would capture/surround the mean of the given population

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  1. 7 July, 10:45
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    The (approximate) probability that the investigator's procedure would produce an interval that would capture/surround the mean of the given population is 0.97

    Step-by-step explanation:

    97% confidence interval means that there is 97% chance that the true mean value of the population is within the range (-9.3, 15.3).

    Confidence level (97%) is an indicator of your measurement's precision and tells you how sure you can be. In other words, if you repeat the process, it tells you how much percentage you get a result which falls in the estimated interval (-9.3, 15.3).
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