Suppose you wish to estimate a population meanbased on a sample of n observations How largeshoulda sample be if you want your estimate to be within 2 ofwith probability equal to 0 95 if you know the population standard deviationis 12 Suppose you wish to estimate a population meanbased on a sample of n observations How largeshoulda sample be if you want your estimate to be within 2 ofwith probability equal to 0 95 if you know the population standard deviationis 12 127 98 196 239 139

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Suppose you wish to estimate a population meanbased on a sample of n observations. How largeshoulda sample be if you want your estimate to be

Suppose you wish to estimate a population meanbased on a sample ofnobservations. How largeshoulda sample be if you want your estimate to be within 2 ofwith probability equal to 0.95 if you know the population standard deviationis 12?

127

196

239

139

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