A study indicates that the weights of adults

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A study indicates that the weights of adults are normally distributed with a mean of 140 lbs and a standard deviation of 25 lbs.

Find a value of weight x such that only 20% of adults weigh less than that.

A. 136

B.190

C.177

D.23

E.10

Looking for an explanation on how to complete.

Reference no: EM132145744

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