Find the Value Of $- \mathrm { z } _ { \alpha / 2 }$

question 38

Multiple Choice

Find the value of $- \mathrm { z } _ { \alpha / 2 }$ that corresponds to a confidence level of 97.80%.

• A) -2.01
• B) 2.29
• C) -2.29
• D) 0.011

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Definitions:

Coin Flips

A simple randomization technique or decision-making tool where the outcome of a coin toss is used to choose between two alternatives.

Most Probable

Referring to an event or outcome that has the highest likelihood of occurring compared to other possibilities.

Statistical Significance

A measure indicating that the likelihood of an observed effect or difference in a study is not due to chance alone.

Observed Differences

Variations or disparities noted upon examination or comparison of subjects or objects.