When 50% of the Light Is Transmitted Through a Film

question 30

Multiple Choice

When 50% of the light is transmitted through a film, the optical density (OD) is:

• A) 0.0.
• B) 0.3.
• C) 0.5.
• D) 50.

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Definitions:

Level Of Significance

Level of significance is a threshold in hypothesis testing that determines whether the null hypothesis can be rejected, typically expressed as a probability value (e.g., 0.05).

Rejection Region

The spectrum of results causing the null hypothesis to be dismissed in hypothesis testing.

Confidence Level

The probability, expressed as a percentage, that the range of a confidence interval contains the true parameter value.

Critical Value

A critical value is a threshold in hypothesis testing that defines the boundary or cutoff points for deciding whether to reject the null hypothesis.