Which three criteria do binomial experiments meet?

Part a:
The answer is b, c , e
Part b:
The answer is b, c
2.
Part a: The answers are
The number of trials
Probability of success
Number of success
Part b:
10, 0.5, 5

3. 63/256
4. C, .234
5. The probability decreases as it approaches 0 because 9 or 10 is unlikely ( not the exact words, but right)
6. Skewed , 1
7. .246, .015, (Is the picture attached)