define what is meant by closed interval [a,b] is a 95% confidence level of the mean mew of the population with random variable X
Added by Rachael E.
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For example, if a = 2 and b = 5, the closed interval is [2, 5], meaning all values from 2 to 5, inclusive. - **95% Confidence Level**: This indicates the probability that the interval, constructed using a sample from the population, will contain the true Show more…
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