Determining Independence in Probability

Determine if the events are independent or dependent.

• Independent

• Dependent

What is the probability that both of your parents were born on a weekend (assume that each day is equally likely and that a weekend day is either Saturday or Sunday).

• 2/7

• 4/7

• 2/49

• 4/49

There are 14 tiles with one letter from the word MATHEMATICIANS on each. Find the probability of randomly choosing the letter "M".

• 1/2

• 1/7

• 1/14

• 2/7

A bag contains 8 blue marbles, 7 green marbles, and 5 yellow marbles. Without looking you reach into the bag and draw one marble. What is the probability of drawing a blue? P(blue)

• 3/5

• 7/20

• 1/4

• 2/5

A bag contains 8 blue marbles, 7 green marbles, and 5 yellow marbles. Without looking you reach into the bag and draw one marble. What is the probability of NOT drawing a blue marble? P(not blue)

• 3/4

• 7/20

• 3/5

• 2/5

What is the probability of drawing the angel emoji card, replacing it, and drawing the laughing emoji card?

• 1/16

• 1/64

• 9/16

• 1/32

• Yes, they are independent

• No, they are not independent

• Yes, they are independent

• No, they are not independent

• 0.08

• 4

• 0.25

• 0.41