The Owner of a Local Jazz Club Has Recently Surveyed

question 77

Multiple Choice

The owner of a local Jazz Club has recently surveyed a random sample of n = 200 customers of the club.She would now like to determine whether or not the mean age of her customers is over 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 vs.H₁: μ < 30.
• B)H₀: μ = 30 vs.H₁: μ > 30.
• C)H₀: = 30 vs.H₁: < 30.
• D)H₀: = 30 vs.H₁: > 30.

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