Research Suggests That 150 Minutes of Moderate Physical Activity Each

question 64

True/False

Research suggests that 150 minutes of moderate physical activity each week is necessary for substantial health benefits.

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Definitions:

Y

Often used to represent a dependent variable in mathematical equations and models.

Random Variables

Variables whose possible values are numerical outcomes of a random phenomenon.

E(X)

The expected value of the random variable X, representing the mean or average value that X takes on.

E(Y)

The expected value of the random variable Y, representing the mean or average outcome of a set of possible values weighted by their probabilities.