## anonymous one year ago The mean points obtained in an aptitude examination is 159 points with a standard deviation of 13. What is the probability that the mean of the sample would differ from the population mean by less than 1 point if 60 exams are sampled? Round your answer to four decimal places.

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1. amistre64

find a z score $z=\frac{x-\bar x}{SE}$ $z=\frac{158-159}{13/\sqrt{60}}$ then determine its probability