Mot eling strategy, a Counting strategy, and a Derived Fact strategy for each of these problems Do your strategies follow the action in the problem? It is often heiptd to arrange your strategies in a grid like the one below so that you can see how te 1. Identify the problem type and produce strategies progress. Direct Modeling Strategy Counting Strategy Derived Fact Strategy Problem There are S ducks in the pond If7 more ducks landed in the pond, how many ducks would be in the pond? Problem type: Ihove 12 dollars f spend 4 dollors on unch, how many much money would I hove left? Problem type

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2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.