Kevin rides the bus to school each day. He always arrives at his bus stop on time, but his bus is late 80% of the time. Kevin runs a simulation to model this using a random number generator. He assigns these digits to possible outcomes for each day of the week: • Let 0 and 1 = bus is on time. • Let 2,3,4,5,6,7,8 and 9 = bus is late. The table shows the results of the simulation.

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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a farmer that lived in ancient egypt would most likely be barried in the sand, in the desert!

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the answer to your question (9+10) is 19