3.5 Tree and Venn Diagrams
Branching diagrams whose path products give multi-stage probabilities, and overlapping circles that make ORs, ANDs and complements countable at a glance.
7 exercises
3.5 Exercise 1
There are a total of 11 balls in the urn. Draw two balls, one at a time, with replacement. There are 11(11) = 121 outcomes, the size of the sample space.
a. List the 24 BR outcomes: B1R1, B1R2, B1R3, ...
b. Using the tree diagram, calculate P(RR).
c. Using the tree diagram, calculate P(RB OR BR).
d. Using the tree diagram, calculate P(R on 1st draw AND B on 2nd draw).
e. Using the tree diagram, ca…
3.5 Exercise 3
Calculate the following probabilities using the tree diagram.
a. P(RR) = ________
b. Fill in the blanks:
P(RB OR BR) =
c. P(R on 2nd|B on 1st) =
d. Fill in the blanks.
P(R on 1st AND B on 2nd) = P(RB) = (___)(___) =
e. Find P(BB).
f. Find P(B on 2nd|R on 1st).
3.5 Exercise 14
Find P(Blue bead).
3.5 Exercise 18
Use the following information to answer the next two exercises. The percent of licensed U.S. drivers (from a recent year) that are women is 48.60. Of the women, 5.03% are age 19 and under; 81.36% are age 20–64; 13.61% are age 65 or over. Of the licensed U.S. men drivers, 5.04% are age 19 and under; 81.43% are age 20–64; 13.53% are age 65 or over.
Complete the following.
- Construct a table or a tre…
3.5 Exercise 20
Use the following information to answer the next two exercises. The percent of licensed U.S. drivers (from a recent year) that are women is 48.60. Of the women, 5.03% are age 19 and under; 81.36% are age 20–64; 13.61% are age 65 or over. Of the licensed U.S. men drivers, 5.04% are age 19 and under; 81.43% are age 20–64; 13.53% are age 65 or over.
Approximately 86.5% of Americans commute to work by…
3.5 Exercise 22
Use the following information to answer the next two exercises. The percent of licensed U.S. drivers (from a recent year) that are women is 48.60. Of the women, 5.03% are age 19 and under; 81.36% are age 20–64; 13.61% are age 65 or over. Of the licensed U.S. men drivers, 5.04% are age 19 and under; 81.43% are age 20–64; 13.53% are age 65 or over.
Use the following information to answer the next tw…
3.5 Exercise 23
Use the following information to answer the next two exercises. The percent of licensed U.S. drivers (from a recent year) that are women is 48.60. Of the women, 5.03% are age 19 and under; 81.36% are age 20–64; 13.61% are age 65 or over. Of the licensed U.S. men drivers, 5.04% are age 19 and under; 81.43% are age 20–64; 13.53% are age 65 or over.
Answer these questions using probability rules. Do…
Adapted from Introductory Statistics 2e © 2023 Rice University. Licensed under CC BY 4.0. Source: Introductory Statistics 2e. Imported at revision 50ec917.