Zoe has a collection of 78 movies costing $29.99 each. how much did so she spend on all her movies?

An assembly consists of two mechanical components. suppose that the probabilities that the first and second components meet specifications are 0.87 and 0.84. assume that the components are independent. determine the probability mass function of the number of components in the assembly that meet specifications. x

The estimated number of people to attend the last bengals game of the season was 2000. the actual number of fans attending was 1200. by what percent did the estimate differ from the actual?

F(n + 1) = f(n) – 8. if f(1) = 100, what is f(6)?