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Recently, many companies have been...

Recently, many companies have been using an integrity test as part of their personnel selection devices. Suppose that scores of a standardized integrity test are normally distributed, with a mean of 600 and a standard deviation of 135.If a random sample if n = 18 is drawn from this population distribution, within what limits would the central 95% of all possible sample means fall (in raw score units)? Report here the lower limit

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