A researcher wishes to test whether the rate of defectives among computers from manufacturer A differs from the rate of defectives among computers from manufacturer B. She selects two independent random samples and finds that 1.5% of 200 computers from manufacturer A are defective and 3.5% of 400 computers from manufacturer B are defective. Are the conditions and assumptions for inference with the two-proportion z-test satisfied? Explain your answer.

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The Answer of A researcher wishes to test whether the rate of defectives among computers from manufacturer A differs from the rate of defectives among computers from manufacturer B. She selects two independent random samples and finds that 1.5% of 200 computers from manufacturer A are defective and 3.5% of 400 computers from manufacturer B are defective. Are the conditions and assumptions for inference with the two-proportion z-test satisfied? Explain your answer.

A Researcher Wishes to Test Whether the Rate of Defectives