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A random sample with \( n=144 \) from a normal distribution yleided a mean of 76 and a standard deviationfof 12 . Assuming a population mean of 78 , what is the approximate probability of obtaining a sample mean as small as 76 ? \( 1 / 100 \) \( 2 / 100 \) \( 5 / 100 \) \( 45 / 100 \)

Given information, Sample size n=144 Sampl