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Findind mean and standard deviation

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A manufacturing process produces items whose weights are normally 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 the mean up to 190 grams. What are the mean and standard deviation?

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Solution describes the steps to find out mean and standard deviation with the help of information given.

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Let denotes the mean and represents the standard ...

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  • BEng (Hons) , Birla Institute of Technology and Science, India
  • MSc (Hons) , Birla Institute of Technology and Science, India
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