Theoretic and Experimental Probability

Bag A contains 9 red marbles and 3 green marbles. Bag B contains 9 black marbles and 6 orange marbles. Find the probability of selecting one green marble from bag A and one black marble from bag B.

• 3/20

• 1/4

• 3/31

• 2/27

What is the probability that a female is chosen given they like a Toyota? 

• .525

• .4627

• .6774

• .3143

What is the probability that they speak French given that they are a girl? 

• 2.14

• 24

• 4

• 8571

What is the probability that a student plays an instrument?

• .55

• .5

• .45

• .4

A day in the year is randomly chosen. Given the day is in the month of December, what is the probability the day is the 25^th? (December has 31 total days.)

• 8.5%

• 8.84%

• 80.6%

• 3.2%

A box contains 5 purple marbles, 3 green marbles and 2 orange marbles. Draws are made without replacement. P(1st orange then green)

• 1/15

• 2/15

• 3/31

• 1/5

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

• 2/9

• 1/3

• 1/2

• 1/4

There are six nickels and seven dimes in your pocket. You randomly pick a coin out of your pocket and then return it to your pocket. Then you randomly pick another coin.  What is the probability that the coin is a nickle both times?

• 36/169

• 6/13

• 5/16

• 3/19

A basket contains four apples and six peaches. You randomly select one piece of fruit and eat it. Then you randomly select another piece of fruit. What is the probability that both pieces of fruit are apples.

• 2/15

• 3/17

• 1/19

• 6/21

There are seven boys and seven girls in a class. The teacher randomly selects one student to answer a question. Later, the teacher randomly selects a different student to answer another question. What is the probability that the first student is a boy and the second student is a girl?

• 7/26

• 1/2

• 2/17

• 8/29