Experimental Probability

# on cube | Frequency

1 | 8

2 | 3

3 | 9

4 | 6

5 | 4

6 | 6

Total = 36

What is the THEORETICAL probability of rolling an even number? (What should happen?)

• 3/6 or 1/2

• 3/36 or 1/12

• 15/36 or 1/4

• 6/6 or 1

# on cube | Frequency

1 | 8

2 | 3

3 | 9

4 | 6

5 | 4

6 | 6

Total = 36

What is the Experimental probability of rolling an even number? (what doe the chart show?)

• 3/6 or 1/2

• 3/36 or 1/12

• 15/36 or 1/4

• 6/6 or 1

# on cube | Frequency

1 | 8

2 | 3

3 | 9

4 | 6

5 | 4

6 | 6

Total = 36

How many times did the person roll a 1?

(what doe the chart show?)

• 6

• 9

• 8

• 1

# on cube | Frequency

1 | 8

2 | 3

3 | 9

4 | 6

5 | 4

6 | 6

Total = 36

What is the formula for finding the Theoretical number of time you would expect to roll a 1?

• 1 / 6 = x/36

• 1/2 = x/36

• 15/36 = X/4

• x/6 = 6/36

# on cube | Frequency

1 | 8

2 | 3

3 | 9

4 | 6

5 | 4

6 | 6

Total = 36

What is the THEORETICAL probability of rolling a number greater than 4? (What should happen?)

• 2/6

• 3/6

• 15/6

• 6/6

What is the formula for finding if a car factory checks 360 cars and 8 of them have defects, how many will have defects out of 1260?

• 1 / 6 = x/36

• 8/360 = x/1260

• 12/320=x/560

• x/6 = 6/36

If a car factory checks 360 cars and 8 of them have defects, how many will have defects out of 1260?

• 8/360 = x/1260

• 28

• 21

• 12/320=x/560

What is the formula for finding if a car factory checks 320 cars and 12 of them have defects, how many will NOT have defects out of 560?

• 1 / 6 = x/36

• 8/360 = x/1260

• 12/320=x/560

• x/6 = 6/36

If a car factory checks 320 cars and 12 of them have defects, how many will NOT have defects out of 560?

• 8/360 = x/1260

• 28

• 21

• 12/320=x/560

Card Suit| Frequency

Diamonds | 7

Hearts| 3

Spades| 11

Clubs | 6

Total = 52

What is the THEORETICAL probability of selecting a heart? (What should happen?)

• 9/52

• 13/52

• 18/52

• 1/2

• Theoretical 50% Experimental 35%