Question 1178561
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"...the probability that the {{{cross(number)}}} numbers not showing have a difference of 2 is"<br>
(1) Tutor @ikleyn chose to say that your post is nonsense because of the missing plural.  I'm a bit more forgiving than that; I know what you meant to say.<br>
(2) The other tutor gave the wrong answer.<br>
The number of possible outcomes for the numbers not showing on the two dice is 4*4=16.<br>
Of those, 4 combinations (not 2) have a difference of 2: 1 and 3, 3 and 1; 2 and 4, 4 and 2.<br>
ANSWER: P(difference of 2 between the two numbers not showing) = 4/16 = 1/4.<br>