1. A coin is tossed three times. a Draw a tree diagram showing all the
possible outcomes
b Find the number of outcomes that have
two tails.
e Find the probability of obtaining two tails
and one head
d Find the probability of obtaining at least
one tail.

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