Julie has two formal events to go to--one for her work and one for her partner's work. she has six formal dresses--two blue ones, one black, one red, and two white. since the same people will not be at the two events she is okay wearing the same dress. she finds the probabilty that she wears a blue and a red dress as p(blue and red) = 2 6 · 1 6 . what do you know about the two events?

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?