We are drawing a single card from a standard 52- deck. find the following probability. p(two | no face card)

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.

2people are trying different phones to see which one has the better talk time. chatlong has an average of 18 hours with a standard deviation of 2 hours and talk-a-lot has an average of 20 hours with a standard deviation of 3. the two people who tested their phones both got 20 hours of use on their phones. for the z-scores i got 1 for the chatlong company and 0 for talk-a-lot. what is the percentile for each z-score?

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.