Independent Probabilities

Find the probability of drawing a 10 from a standard deck of 52 cards.

• 4 out of 52
• 13 out of 52
• 13/52
• 4/52

Clara picks a marble at random, puts it back, and then picks another marble at random.

• Dependent
• Independent

Pablo chooses a colored marble from a mixed bag and writes down the color. Pablo leaves it out and then draws another.

• Independent
• Dependent

Victor picks a card at random. Without putting the first card back, he picks a second card at random.

• Dependent
• Independent

The outcome of one event does not influence the outcome of the other event.

• independent event
• tree diagram
• simple event
• odds

The outcome of one event does influence the outcome of the other event.

• mutually exclusive event
• probability
• dependent event
• simple probability

Which event is not a dependent event?

• Picking 2 students to each be line leader and door holder from a group of 20 students
• Picking 2 marbles from a bag without replacing the first marble
• Picking 2 crayons from a box at the same time (simultaneously) 
• Picking an earring, replacing it, then picking a 2nd earring

A letter of the alphabet is chosen at random, then a coin is flipped. What is the probability of choosing a letter from the word MATH then getting tails? 

• 4/26 + 1/2
• 4/26 x 1/2
• 4/25 x 1/2
• 4/25 + 1/2

What is the probability of the arrow stopping on “X” on the first spin and “F” on the second spin?

• 5/6
• 1/36
• 1/3
• 1/6

A magician is doing a card trick using a standard deck of cards. What is the probability that he will pull a jack, followed by a queen?
(Hint: there are 4 jacks and 4 queens in the deck of 52 total cards)

• 4/52 + 4/52
• 4/52 x 4/51
• 4/52 x 4/52
• 4/52 x 3/51