mean and standard deviation

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Question

For a certain random variable having the normal distribution,the probability is 0.33 that it will take on a value less than 245, and the probability is 0.48 that it will take on a value greater than 260. Find the mean and standard deviation of this probability distribution. Feb 09 2011 09:07 PM

 

Solution ID:608917 | This paper was updated on 26-Nov-2015

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