Express the Null Hypothesis and the Alternative Hypothesis in Symbolic $\mu$

question 90

Multiple Choice

Express the null hypothesis and the alternative hypothesis in symbolic form. Use the correct symbol (µ, p, ?) for the indicated parameter.
-Carter Motor Company claims that its new sedan, the Libra, will average better than 25 miles per gallon in the city. Use $\mu$ , the true average mileage of the Libra.

• A)
• \(\begin{array}{l}
• H_{0}: \mu<25 \\
• H_{1}: \mu \geq 25
• \end{array}\)
• B)
• \(\begin{array}{l}
• \mathrm{H}_{0}: \mu=25 \\
• \mathrm{H}_{1}: \mu>25
• \end{array}\)
• C)
• \(\begin{array}{l}
• \mathrm{H}_{0}: \mu>25 \\
• \mathrm{H}_{1}: \mu \leq 25
• \end{array}\)
• D)
• \(\begin{array}{l}
• \mathrm{H}_{0}: \mu=25 \\
• \mathrm{H}_{1}: \mu<25
• \end{array}\)

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