In Testing the Hypotheses H₀: μ = 50 Vs

question 13

Multiple Choice

In testing the hypotheses H₀: μ = 50 vs.H₁: μ ≠ 50,the following information is known: n = 64, = 53.5,and σ = 10.The standardized test statistic z equals:

• A)1.96
• B)−2.80
• C)2.80
• D)−1.96

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Definitions:

Monopoly

A market structure characterized by a single seller who has exclusive control over a particular good or service.

Criminal Offenses

Acts or omissions punishable by law as defined by statute or common law.

Clayton Act

A U.S. antitrust law enacted in 1914 aimed at promoting competition and preventing monopolies by prohibiting certain anti-competitive practices.

Celler-Kefauver Act

is a United States antitrust law passed in 1950 that prevents companies from acquiring assets of competitors if the effect would be to substantially lessen competition or create a monopoly.