Abag contains 8 blue marbles, 6 green marbles, 12 yellow marbles and 10 orange marbles. a marble is drawn from at randm of the bag, what is the probibilty that the marble will not be blue?

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?

2. explain in words how you plot the point (4, −2) in a rectangular coordinate system.

A6 ounce bottle of dressing costs $1.56 a 14 ounce bottle costs $3.36 a 20 ounce bottle costs $5.60 which has the lowest cost per ounce