The Average Customer Waiting Time at a Fast Food Restaurant

question 162

Multiple Choice

The average customer waiting time at a fast food restaurant has been 7.5 minutes.The customer waiting time has a normal distribution.The manager claims that the use of a new system will decrease average customer waiting time.What is the null and alternative hypothesis for this scenario?

• A)H₀: μ = 7.5 and H_a ≠ 7.5
• B)H₀: μ ≤ 7.5 and H_a > 7.5
• C)H₀: μ ≥ 7.5 and H_a < 7.5
• D)H₀: μ > 7.5 and H_a ≥ 7.5
• E)H₀: μ > 7.5 and H_a ≤ 7.5

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