Would the test be one tail or two tail

Reference no: EM131407192

The president of a company that manufactures central home air conditioning units has told an investigative reporter that at least 85% of its homeowner customers claim to be "completely satisfied" with the overall purchase experience.

If the reporter were to subject the president's statement to statistical scrutiny by questioning a sample of the company's residential customers, would the test be one-tail or two-tail? What would be the appropriate null and alternative hypotheses?

Reference no: EM131407192

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