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Two types of plastic are suitable for use by an electronic component manufacturer. The breaking strength of this plastic is important. It is known that
Two types of plastic are suitable for use by an electronic 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 1 = 10 and 2 = 12, we obtain 1 = 162.7 and 2 = 155.4. The company will not adopt plastics 1 unless its mean breaking strength exceeds that of plastic 2 by at least 8 psi. Based on the sample information, should it use plastic 1? Use = 0.01 and the P-value approach in reaching in reading a decision.
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