# Math

posted by
**Reeses**
.

How do I do these?

1.A number cube is rolled 120 times. The number 4 comes up 47 times. What is the experimental probability of rolling a 4? What is the theoretical probability of rolling a 4?

A)47/120;1/30

B)47/120;1/6

C)4/47;1/6

D)1/6;47/120

2.Food Express is running a special promotion in which customers can win a free gallon of milk with their food

purchase if there is a star on their receipt. So far, 147 of the first 156 customers have not received a star on their receipts. What is the experimental probability of winning a free gallon of milk?

A)11/156

B)49/52

C)2/39

D)3/52

3.A bag containing 5 green marbles, 8 red marbles, 11 orange marbles, 7 brown marbles, and 12 blue marbles. You choose a marble, replace it, and choose again. What is P(red, then blue)?

A)20/43

B)40/43

C)20/1849

D)96/1849

4.You and 5 friends go to a concert. In how many different ways can you sit in the assigned seats?

A)720

B)120

C)30

D)15