Given Two Events, a and B, If the Probability of a Is

question 44

True/False

Given two events, A and B, if the probability of A is 0.7, the probability of B is 0.3, and the joint probability of A and B is 0.21, then the two events are independent.

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Definitions:

Critical Statistic

A specific value computed from sample data used to determine whether to reject the null hypothesis in hypothesis testing.

Degrees of Freedom

The number of independent values or quantities that can be assigned to a statistical distribution or a parameter estimation, subtracting the number of parameters estimated.

Correlation Coefficients

Numeric measures that describe the strength and direction of the relationship between two variables.

Direct Correlation

A statistical relationship between two variables where both variables move in the same direction.