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Mathematics, 18.07.2019 02:20 deveronyarbrough

The overhead reach distances of adult females are normally distributed with a mean of 200 cm and a standard deviation of 7.8 cm. a. find the probability that an individual distance is > 210.00 cm. b. find the probability that the mean for 25 randomly selected distances is > 197.80 cm. c. why can the normal distribution be used in part (b), even though the sample size does not exceed 30?

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