What z score separates the top 70% of the normal distribution from the bottom 30%?

Which point on the x-axis lies on the line that passes through point c and is parallel to lino ab?

Which of the following is most likely the next step in the series? a3z, b6y, c9x, d12w, е15v, f18u

Abag contains 3 red marbles, 2 blue marbles, and 2 green marbles. one marble is picked, then another marble. assume that the selections are made with replacement. a) find the probability of picking two red marbles with replacement. b) find the probability of picking a red marble and a blue marble. assume the selections are made without replacement. c) find the probability of picking two red marbles without replacement. d) find the probability of picking a red marble and a blue marble without replacement.