Question 1117343
An ordinary (fair) die is a cube with the numbers 1 through 6 on the sides (represented by painted spots). Imagine that such a die is rolled twice in succession and that the face values of the two rolls are added together. This sum is recorded as the outcome of a single trial of a random experiment.
Compute the probability of each of the following events:
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You can figure out these answers.
Sketch a 6 by 6 square.
Label the rows as 1,2,3,4,5,6
Label the columns as 1,2,3,4,5,6
Note:: There will be 6*6 = 36 entries In the square.
1st row sums:: 2,3,4,5,6,7
2nd row sums:: 3,4,5,6,7,8
etc.
Finish the square
bottom row sums:: 7,8,9,10,11,12
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Event : The sum is greater than 7 .
Event : The sum is not divisible by 3 and not divisible by 5.
Write your answers as exact fractions.
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Cheers,
Stan H.
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