When Andrew goes bowling, his scores are normally distributed with a mean of 115 and a standard deviation of 11. What is the probability that the next game Andrew bowls, his score will be between 86 and 106, to the nearest thousandth?

How many liters of peroxide should be added to 12 liters of an 8% peroxide solution so that the resulting solution contains 16% peroxide?   original added new amount of peroxide 0.96 liters x 0.96 + x amount of solution 12 liters x 12 + x 0.18 liter 1.14 liters 1.92 liters 2.10 liters