Two types of plastic are suitable for an electronics component manufacturer to use. The breaking strength of this plastic is important. It is known that a₁ = ₂ = 1.0 psi. From a random sample size n₁ = 10 and n₂ = 12, you obtain ₁ = 162.5 and ₂ = 155.0. 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 the company use plastic 1? Use a = 0.05. a. Reject the Null Hypothesis. Zo = -5.84 O b. None among the choices O c. Fail to reject the Null Hypothesis. Zo < 1.65 O d. Fail to reject the Null Hypothesis. P-value > 0.05

Two types of plastic are suitable for an electronics component manufacturer to use. The breaking strength of this plastic is important. It is known that a₁ = ₂ = 1.0 psi. From a random sample size n₁ = 10 and n₂ = 12, you obtain ₁ = 162.5 and ₂ = 155.0. 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 the company use plastic 1? Use a = 0.05. a. Reject the Null Hypothesis. Zo = -5.84 O b. None among the choices O c. Fail to reject the Null Hypothesis. Zo < 1.65 O d. Fail to reject the Null Hypothesis. P-value > 0.05

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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