With a 98% level of confidence a company producing street signs wants to make sure the length of their product is meeting quality standards.

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With a 98% level of confidence a company producing street signs wants to make sure the length of their product is meeting quality standards. error of 1cm and the production manager knows that the Standard Deviation 6cm. How many signs does he need to sample?How many signs

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With a 98% level of confidence a company producing street signs wants to make sure the length of their product is meeting quality standards.

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Use the following coupon
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