Find the Value of the Probability of the Standard Normal

question 18

Short Answer

Find the value of the probability of the standard normal variable Z corresponding to the shaded area under the standard normal curve. Round your answer to four decimal places.
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Definitions:

Significance Level

The probability of rejecting the null hypothesis when it is true, often denoted by alpha (α).

Chance

The occurrence of events in the absence of any deliberate intention or predictable causation, often used to describe random variability in data.

Confidence Interval

A range of values derived from sample data that is likely to contain the true population parameter with a certain level of confidence.

Statistically Significant

Indicates that an observed effect or result is unlikely to have occurred by chance, suggesting a real impact or difference that is not due to random variation.