The standard deviation of a 1200 volume population is 90cm. Find out how many units the sample should consist of so that the standard error of the mean is not more than 10 cm. 19 - O a) 17 O B) 23 O C) 81 O D) 34 O TO) 56

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Q: The standard deviation of a 1200 volume population is 90cm. Find out how many units the sample…

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