For each lecture the professor chooses between white, yellow, and purple chalk, independently of previous choices. Each day she chooses white chalk with probability 0.5, yellow chalk with probability 0.4, and purple chalk with prob- ability 0.1. (a) What is the probability that over the next 10 days she will choose white chalk 5 times, yellow chalk 4 times, and purple chalk 1 time

Write the expression in complete factored form. 5n_(c - 3) - n(c - 3) =

Which of the following is best modeled using a linear equation y=ax+b, where a is less than 0?

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