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Quarters are currently minted with weights normally distributed and having a standard deviation of 0.062....

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Quarters are currently minted with weights normally distributed and having a standard deviation of 0.062. New equipment is being tested in an attempt to improvequality by reducing variation. A simple random sample of 20 quarters is obtained from those manufactured with the new equipment, and this sample has a standarddeviation of 0.048. Use a 0.025 significance level to test the claim that quarters manufactured with the new equipment have weights with a standard deviation lessthan 0.062. Does the new equipment appear to be effective in reducing the variation of weights?(a) Write the claim mathematically and identify Ho and Ha-A. Ho: 20.062; Ha: o<0.062 (Claim)B. Ho: 20.062 (Claim); Ha: 0 <0.062C.Ho: o? 0.062; Ha: o> 0.062 (Claim)D. Ho: o? 0.062 (Claim); Ha: o> 0.062

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