Let a = {Students Taking a Spanish Class}

question 35

Essay

Let A = {students taking a Spanish class}
B = {students taking a judo class}
Assume there are 41 students taking a Spanish class,
22 students taking a judo class, and 8 students taking
both classes. How many students are taking at least
one of the two classes? Fill in the Venn diagram below
to illustrate your solution.

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Definitions:

Significance Level

The threshold below which a p-value indicates that the observed data is unlikely to have occurred by chance, leading to rejection of the null hypothesis.

Null Hypothesis

A statement in statistical analysis that proposes there is no significant effect or difference between certain variables or groups.

Statistical Test

A method of making decisions or inferences about population parameters based on sample data, often involving a comparison between an observed test statistic and a critical value.

Power

The probability that a statistical test will correctly reject a false null hypothesis; it measures a test's sensitivity to detect an effect if there is one.