Suppose that weights of males in my family are N(250,24) where 250 and 24 are in pounds.  I weigh 230 pounds.  The percentage of males in my family that weigh more than me and less than my brother is 35%.  How much does my brother weigh?

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Suppose that weights of males in my family are N(250,24) where 250 and 24 are in pounds.  I weigh 230 pounds.  The percentage of males in my family that weigh more than me and less than my brother is 35%.  How much does my brother weigh?

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