Diego has a standard 52 card playing deck, which includes 13 heart cards, 13 spade cards, 13 diamond cards, and 13 club cards. If he draws one card at random, what is the probability that the card will be a heart? 20%

50%

30%

25%

Can someone explain the elimination method to me for this problem?

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

Solve for n? [tex]z = \frac{3}{4} mn[/tex]