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Earn +20 ptsQ: What is sum in math?
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Math- What does sum mean?
Sum, or summation, is just addition. For example, the sum of 1 and 2 is 1 + 2 = 3. The term "sum" is generally used for large sets or series. For example, the sum of the first 100 natural numbers is 1 + 2 + 3 + ... + 100 = 495. Sum is the total of 2 or more numbers as determined by the math process. Mathematically it means the answer to an addition problem.
The sum of the deviations about the mean always equals what?
The sum of total deviations about the mean is the total variance. * * * * * No it is not - that is the sum of their SQUARES. The sum of the deviations is always zero.
What is the sum of the deviations from the mean?
The sum of standard deviations from the mean is the error.
What is the sum of all probabilities?
Sum of all probabilities is 1.
You roll two dice What is the probability that the sum of the dice is odd or the sum of the dice is greater than 6?
Prob(Sum is odd) = 1/2 Prob(Sum > 6) = 15/36 = 5/12 Prob(Sum is odd or >6) = 27/36 = 3/4
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