Based from the record of DEF Maternity Hospital, the mean weight of one month old babies is 8 lbs with a standard deviation of 3 Ibs. Out of 40 one month old babies, find the probability that the mean weight is less that 9 lbs. *apply Central Limit Theorem Z-Score Choose... + Choose... Probability (x<9 Ibs) 12.93% 0.33

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