X=50
all four of a squares angles are 90°
90•3=270
270-20=250
250/5=50
x=50
Using <u>probability distribution concepts</u>, the correct option is:
-
C. the sum of the probabilities is not 1.00
- In a probability distribution, the <u>sum of all probabilities has to be equals to 1</u>.
In this problem, the probabilities are: 0.25, 0.45, 0, 0.35.
Their sum is:

Since the <u>sum is not 1</u>, the correct option is:
- C. the sum of the probabilities is not 1.00
For more on <u>probability distribution concepts</u>, you can check brainly.com/question/24802582
Answer:
Hope this helps.
Step-by-step explanation:
Answer:
1) At least two equal sides
2) One pair of equal angles