8. 0.06. 9. 0.054

Question A survey asked recently retired people the number of people, X, they met through work during their working lives that they considered close friends. The table below is a probability distribution table representing the data collected. Find the mean and the standard deviation of the probability distribution using Excel. . Round the mean and standard deviation to three decimal places. X P(x) 0.009 0.066 0.098 0.12 0.065 . 0.065 0.064