A meteorologist stated that the average temperature during July in Chattanooga was 80 degrees. A sample of July temperatures over a 32-year period was taken. The correct set of hypotheses is _____.   a. H0: μ ≠ 80 Ha: μ = 80     b. H0: μ = 80 Ha: μ ≠ 80     c. H0: μ < 80 Ha: μ ≤ 80     d. H0: μ ≤ 80 Ha: μ > 80

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A meteorologist stated that the average temperature during July in Chattanooga was 80 degrees. A sample of July temperatures over a 32-year period was taken. The correct set of hypotheses is _____.
  a. H0μ ≠ 80 Haμ = 80  
  b. H0μ = 80 Haμ ≠ 80  
  c. H0μ < 80 Haμ ≤ 80  
  d. H0μ ≤ 80 Haμ > 80
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