# probability

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two fair six-sided dice are rolled and the sum of the dots on the top faces is recorded.
a) complete the table, showing the number of ways each sum can occur

sum: 1 2 3 4 5 6 7 8 9 10 11 12
ways:1 2 3

b)use the table to find the probability of the following events.
A:the sum is prime
B:the sum is a divisor of 12
C:the sum is a power of 2
D:the sum is greater than 3

• probability (incomplete) -

First of all, they cannot sum to 1. What table are you completing?

• probability -

the one that says sum: and ways: that is what the book says!

• probability -

Two fair six-sided dice are rolled and the sum of the dots on the top faces is recorded. Use the table, showing the number of ways each sum can occur, to find the probability of the following events.

SUM

2

3

4

5

6

7

8

9

10

11

12

WAYS

1

2

3

4

5

6

5

4

3

2

1

Give exact answers in fraction form.

A: The sum is prime.
Entry field with incorrect answer now contains modified data

B: The sum is a divisor of 12.

C: The sum is a power of 2.

D: The sum is greater than 3.

• probability -

Two fair six-sided dice are rolled and the sum of the dots on the top faces is recorded. Use the table, showing the number of ways each sum can occur, to find the probability of the following events.

SUM

2

3

4

5

6

7

8

9

10

11

12

WAYS

1

2

3

4

5

6

5

4

3

2

1

Give exact answers in fraction form.

A: The sum is prime.
Entry field with incorrect answer now contains modified data

B: The sum is a divisor of 12.

C: The sum is a power of 2.

D: The sum is greater than 3.

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