It can be a decimal or fraction. An integer HAS to be a whole number.
-2, 10, and 4300 are integers
8.4, -0.14568, and 1/2 are not integers
Answer: C. 30.47
Step-by-step explanation:
The mean of discrete random variable i.e. the expected value of X is given by :-

Now by using the given table, the expected value of X is given by :-

Hence, the mean of discrete random variable= 30.47
I think it's not, because for proportion, you use the given clues to solve for a value or an unknown number.
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Answer:
<M<CBD=M<CDB=34° BASE ANGLE OF ISOSCELES TRIANGLE