A researcher wishes to compare the proportion of defectives among computers from manufacturer A with the proportion of defectives among computers from manufacturer B.
She selects independent simple 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 requirements for obtaining a confidence interval estimate of p1- p2 satisfied? Explain your answer.

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The Answer of A researcher wishes to compare the proportion of defectives among computers from manufacturer A with the proportion of defectives among computers from manufacturer B.
She selects independent simple 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 requirements for obtaining a confidence interval estimate of p1- p2 satisfied? Explain your answer.

A Researcher Wishes to Compare the Proportion of Defectives Among