Solved: Two types of plastic are suitable for use by an electronics component
Chapter 10, Problem 10-2(choose chapter or problem)
Two types of plastic are suitable for use by an electronics component manufacturer. The breaking strength of this plastic is important. It is known that 1 2 1.0 psi. From a random sample of size n1 10 and n2 12, we obtain and . The company will not adopt plastic 1 unless its mean breaking strength exceeds that of plastic 2 by at least 10 psi. Based on the sample information, should it use plastic 1? Use 0.05 in reaching a decision.
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