Express the Null Hypothesis $\mathrm { H } _ { 0 }$

question 58

Multiple Choice

Express the null hypothesis $\mathrm { H } _ { 0 }$ and the alternative hypothesis $\mathrm { H } _ { 1 }$ in symbolic form. Use the correct symbol ( $\mu , \mathrm { p }$ , $\sigma$ ) for the indicated parameter.
-Carter Motor Company claims that its new sedan, the Libra, will average better than 30 miles per gallon in the city. Use $\mu$ , the true average mileage of the Libra.

• A) \(\begin{array}{l}
• \mathrm{H}_{0}: \mu=30 \\
• \mathrm{H}_{1}: \mu>30
• \end{array}\)
• B) \(\begin{array}{l}
• \mathrm{H}_{0}: \mu<30 \\
• \mathrm{H}_{1}: \mu \geq 30
• \end{array}\)
• C) \(\begin{array}{l}
• \mathrm{H}_{0}: \mu>30 \\
• \mathrm{H}_{1}: \mu \leq 30
• \end{array}\)
• D) \(\begin{array}{l}
• H_{0}: \mu=30 \\
• H_{1}: \mu<30
• \end{array}\)

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Definitions:

Classical Conditioning

A learning process that pairs a neutral stimulus with a stimulus that naturally produces a response until the neutral stimulus alone produces the same response.

Operant Conditioning

A behavioral modification method in which the level of an action is shaped by giving incentives or imposing deterrents.

Particular Consequence

Specific outcomes or results that follow from a particular action, decision, or event, with implications for those involved.

Reinforcement Theory

A theory that posits behavior is motivated by its consequences, with reinforcement used to either increase desired behaviors or decrease unwanted ones.