Home > GC > Chapter 5 > Lesson 5.1.1 > Problem 5-9
5-9.
Earl hates to take out the garbage and to wash the dishes, so he decided to make a deal with his parents: He will flip a coin once for each chore and will perform the chore if the coin lands on heads. What he doesn’t know is that his parents are going to use a weighted coin that lands on heads
What is the probability that Earl will have to do both chores?
Garbage
top edge left
top edge right
Wash
left edge top
interior top left
interior top right
left edge bottom
interior bottom left blank
interior bottom right blank
What is the probability of flipping two heads in a row?
What is the probability that Earl will have to take out the garbage, but will not need to wash the dishes?
Use a tree diagram or two-way table.