Dependent Events

Name:

Class:

Date:

Show your work for each problem.

1.
Which scenario describes dependent events?
1. a)Flipping a coin 3 times
2. b)Drawing 2 cards without replacement
3. c)Rolling a die twice
4. d)Spinning a spinner twice
2.
A bag has 5 red and 3 blue marbles. You draw one marble. What is P(red)?
1. a)
2. b)
3. c)
4. d)
3.
A deck has 52 cards. After drawing 1 card, how many cards remain?
4.
A deck has 13 hearts. After drawing 1 heart, how many hearts remain?
5.
From a deck, you draw a heart first. What is P(second card is a heart)?
1. a)
2. b)
3. c)
4. d)
6.
A bag has 4 red and 6 blue marbles. Find P(red then blue) without replacement.
7.
What is ? Simplify completely. Enter as a fraction.
8.
You draw a spade first (not replaced). What is P(second card is a spade)?
1. a)
2. b)
3. c)
4. d)
9.
A jar has 3 red and 5 green candies. Find P(both green) without replacement.
10.
A box has 10 items: 8 good, 2 defective. You test 2 items. What is P(both good)? Enter as a fraction.
11.
You draw 2 cards. The first is a diamond. What is P(second is a heart)?
1. a)
2. b)
3. c)
4. d)
12.
A club has 5 seniors and 7 juniors. Two officers are chosen randomly. Find P(both seniors).
13.
From a deck, you draw 2 aces in a row. What is the probability? Enter as a fraction.
14.
A bag has 4 red, 3 blue, 2 green balls. Find P(red, then blue, then green) without replacement.
15.
10 cards dealt from a deck included 2 aces. What is P(next card is an ace)?
1. a)
2. b)
3. c)
4. d)
16.
Which formula is correct for dependent events?
1. a)
2. b)
3. c)
4. d)