Homework Help: probability

Posted by mary on Tuesday, November 27, 2012 at 11:36pm.

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) - PsyDAG, Wednesday, November 28, 2012 at 12:12pm
First of all, they cannot sum to 1. What table are you completing?
probability - mary, Wednesday, November 28, 2012 at 3:58pm
the one that says sum: and ways: that is what the book says!

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