Probability of Dependent and Independent Events

A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. Draws are made without replacement. Find P(both marbles are purple)

• 2/9

• 1/3

• 1/2

• 1/4

What is the probability when Sue will randomly select from a treat bag containing 6 lollipops and 4 gum balls. Sue will select a treat, not replace it, and then select a second treat. Find P(gumball then lollipop)

• 1/24

• 4/15

• 1/100

• 2/10

Suppose a number cube is rolled twice. What is the probability that an odd number will show both times?

• 1/3

• 1/2

• 1/6

• 1/4

A coin is tossed and a number cube is rolled. Find the probability,  P(heads and 7).

• 1/14

• 1/2

• 0

• 1/7

There are 10 pens and 15 pencils in a box. If a student selects two of them at random, then what is the probability of selecting a pen and then a pencil?

• 7/12

• 1/2

• 1/4

• 11/12

Given a standard deck of 52 playing cards, what is the probability of randomly drawing a 2 and then a 3 if the first card is not replaced?

• 1/13

• 4/663

• 1/676

• 1/169

When randomly drawing from a standard deck of 52 playing cards, what is the probability of drawing a 9 four times in a row if the cards are not replaced?

• 1/5,525

• 1/270,725

• 1/28,561

• 1/4

A coin is tossed and then the spinner is spun. Determine the probability that you toss Heads and spin a Red.

• 1/6

• 1/10

• 0

• 1/12

Is the following compound event independent or dependent
P(1 and A)

• Independent

• Dependent

Which compound event if composed of dependent events?

• Selecting a candy bar from a bag eating the candy bar and selecting again

• Selecting a candy bar from a bag, deciding you don't want it, replace the candy bar and select again.