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14. In 1972 the heights of rugby players were found to be normally distributed with mean 179 cm and standard deviation 7 cm. Find the

14. In 1972 the heights of rugby players were found to be normally distributed with mean 179 cm and standard deviation 7 cm. Find the probability that a randomly selected player in 1972 was: (a) at least 175 cm tall (b) between 170 cm and 190 cm

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