Let P(E) = 0.55, P(F) = 0.4, and P(E ∩ F) = 0.3. Draw a Venn diagram and find the conditional probabilities. (a) P(F | E ∩ F)

(b) P(EC | E )

Over the last 8 nights, elyse earned the following in tips: {105, 120, 84, 95, 100, 132, 140}. if she earns $140 a night for the next four nights, which measure of center would increase more, the mean or median?

Given that sin∅ = 1/4, 0 < ∅ < π/2, what is the exact value of cos∅? a. (√4)/4 b. (√15)/4 c. (4π)/2 d. (4√2)/4

An elevator travels 310 feet in 10 seconds. at that speed, how far can't his elevator travel in 12 seconds?