Question: Hi, how to solve this question? Thanks A random sample of size s4 is drawn from a large population with mean 5D and standard deviation

Hi, how to solve this question? Thanks

A random sample of size s4 is drawn from a large population with mean 5D and standard deviation 2!}. If it is desired to reduce the standard error of the mean to one-third of its original Iluraluer what sample size must be selected to accomplish this? Give your answer as an integer

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