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confidence intervalpls provide solution The mean of the masses of random samples of 25 blocks is 30 kg with a standard deviation of 1.50 kg.

confidence intervalpls provide solution

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The mean of the masses of random samples of 25 blocks is 30 kg with a standard deviation of 1.50 kg. Determine a 90% condence intervals for estimating the mean mass of the population. * Compute for the lower limit of the condence interval

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