Two Technicians Are Discussing Tire Treads

question 11

Multiple Choice

Two technicians are discussing tire treads. Technician A says that straight treads are for large vehicles which require traction for starting and stopping the vehicle. Technician B says that all-weather treads provide good traction on dry or wet roads. Who is correct?

• A) A only
• B) B only
• C) Both A and B
• D) Neither A nor B

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Definitions:

Level of Significance

The probability of rejecting the null hypothesis in a statistical test when it is actually true, typically set prior to conducting the test.

Normal Distribution

A bell-shaped curve symmetrical about its mean, representing a distribution where most occurrences take place in the middle of the range and fewer occur as one moves away from the center.

Null Hypothesis

A hypothesis that states there is no statistical significance between the two specified populations, and any observed difference is due to sampling or experimental error.

Multinomial Population

A population in statistics that can fall into more than two categories.