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A manufacturing process manufactures items whose weights are noramlly distributed. It is known that 22.57% of all the items produced weigh between 100 grams up to the mean and 49.18% weigh from th emean up to 190 grams

a. Find out the mean.

b. Find out the standard deviation.

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  • Category:- Statistics and Probability
  • Reference No.:- M921761

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