Technician a Says the Charging System Is Needed to Keep

question 29

Multiple Choice

Technician A says the charging system is needed to keep the battery fully charged and recharge the battery after starting. Technician B say the charging system supplies all the vehicle's electrical current needs after the engine starts. Who is correct?

• A)A only
• B)B only
• C)both A and B
• D)neither A nor B

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Definitions:

Null Hypothesis

a statistical hypothesis that assumes no effect or no difference between phenomena or populations.

Level of Significance

A threshold in statistical analysis that measures the probability of rejecting a true null hypothesis; commonly set at values like 0.05 or 0.01.

Headaches

A common physical ailment characterized by pain in any region of the head, varying greatly in intensity, pattern, and cause.

Null Hypothesis

A default hypothesis that there is no significant difference or effect, typically to be tested against an alternative hypothesis.