how many ways are there to split them up into two teams (each team must have at least one person), where one team will prepare the food and the other team will prepare the activities?

Answer :

There are two ways split them up into two teams by probability.

What is probability?

The field of mathematics known as probability studies numerical representations of the likelihood that an event will occur or that a statement is true. Modern mathematics has evolved to include the study of probability. Although precise mathematical representations didn't emerge until much later, gambling demonstrates that there has long been a need to quantify the concepts of chance. The mathematics of probability has developed slowly for a variety of reasons. Despite the fact that games of chance were the catalyst for the mathematical study of probability, basic difficulties are nevertheless obfuscated by gamblers' superstitions. The first law, which was published in 1774, indicated that an error's frequency could be described as an exponential function of the error's numerical magnitude.

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