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faltersainse [42]
3 years ago
7

Name the property used in: (5 + 2) + n = 7 + n

Mathematics
1 answer:
rjkz [21]3 years ago
5 0
Additive indentity
(5 + 2) + n
n = 1
a variable is always a number itself remember 7+n
5+2 = 7
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<h3>What is probability distribution?</h3>

Probability distribution is the statistical model which represent all the achievable and similar values of a random variable that it can possess in a specified range.

A teacher assigns a score from 1 to 4 to each student project. the table below shows the probability distribution of the scores for a randomly selected student.

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