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

question 68

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.
-A psychologist claims that more than 6.3 percent of the population suffers from professional problems due to extreme shyness. Use p, the true percentage of the population that suffers from extreme shyness.

• A) \(\begin{array}{l}
• \mathrm{H}_{0}: p<6.3 \% \\
• \mathrm{H}_{1}: \mathrm{p} \geq 6.3 \%
• \end{array}\)
• B) \(\begin{array}{l}
• \mathrm{H}_{0}: \mathrm{p}=6.3 \% \\
• \mathrm{H}_{1}: \mathrm{p}<6.3 \%
• \end{array}\)
• C) \(\begin{array}{l}
• \mathrm{H}_{0}: \mathrm{p}=6.3 \% \\
• \mathrm{H}_{1}: \mathrm{p}>6.3 \%
• \end{array}\)
• D) \(\begin{array}{l}
• \mathrm{H}_{0}: \mathrm{p}>6.3 \% \\
• \mathrm{H}_{1}: \mathrm{p} \leq 6.3 \%
• \end{array}\)

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Definitions:

NMR

Nuclear Magnetic Resonance (NMR) is an analytical technique used to determine the structure of molecules by observing the interaction of atomic nuclei with magnetic fields.

Molecular Formula

A representation of the types and numbers of atoms in a molecule without indicating how they are bonded together.

IR

Infrared spectroscopy, a technique used to identify and study chemicals through their absorption of infrared light.

Septet

A grouping of seven, commonly used in the context of splitting patterns in NMR spectroscopy.