The owner of a local nightclub has recently surveyed a random sample of n = 250 customers of the club.She would now like to determine whether or not the mean age of her customers is greater than 30.If so,she plans to alter the entertainment to appeal to an older crowd.If not,no entertainment changes will be made.The appropriate hypotheses to test are A)H₀ : μ ≥ 30 versus H₁ : μ 30. C)H₀ : ≥ 30 versus H₁: 30.

Question

The owner of a local nightclub has recently surveyed a random sample of n = 250 customers of the club.She would now like to determine whether or not the mean age of her customers is greater than 30.If so,she plans to alter the entertainment to appeal to an older crowd.If not,no entertainment changes will be made.The appropriate hypotheses to test are A)H₀ : μ ≥ 30 versus H₁ : μ < 30. B)H₀ : μ ≤ 30 versus H₁ : μ > 30. C)H₀ : ≥ 30 versus H₁: < 30. D)H₀ : ≤ 30 versus H₁ : > 30.

Quizplus · Accepted Answer

The appropriate hypotheses to test are:
Null Hypothesis (H0): The mean age of the customers is less than or equal to 30 (μ ≤ 30)
Alternative Hypothesis (HA): The mean age of the customers is greater than 30 (μ > 30)
Therefore, choice B is the correct one as it matches with the hypotheses.

The Owner of a Local Nightclub Has Recently Surveyed a Random