A Weatherman Stated That the Average Temperature During July in Chattanooga

question 50

Multiple Choice

A weatherman stated that the average temperature during July in Chattanooga is 80 degrees or less. A sample of 32 Julys is taken to test the weatherman's statement. The correct set of hypotheses is

• A) H₀: μ 80 H_a: μ < 80.
• B) H₀: μ 80 H_a: μ > 80.
• C) H₀: μ ≠ 80 H_a: μ = 80.
• D) H₀: μ < 80 H_a: μ > 80.

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