Theoretical probability is what you expect will happen.

12 = 0.5 = 50%

Empirical probability is what actually happened.

25 = 0.4 = 40%

1230 =

15 = 0.2 = 20%

40200 =

H T

R Y B R Y B

Sample Space{H-R, H-Y, H-B, T-R, T-Y, T-B}

7 + 6 + 9 = 22 total ribbons

7 + 6 = 13 yellow or green0.591 = 59.1%

1322 =

6 + 7 + 5 + 2 = 20 total coins520

520 =*

116 0.0625 = 6.25%=

6 + 7 + 5 + 2 = 20 total coins520

419 =*

119 0.0526 = 5.26%=

12

34

56

78

12 = 0.5 = 50%

48 =

1st digit 2nd digit 3rd digit4 4 4

There are 4 choices for each digit.

1884

x210*

(84)(x) = (18)(210)

84x = 378084 84

x = 45

62.5% = .625

MATH

PRB

4: !

or