Answer:
x = 7.7
Option B
Step-by-step explanation:

∴ value of x is 7.7
Answer:
No, because the number of trials is not fixed.
Step-by-step explanation:
a. pe. x
Answer:I think it is (4,7)
Step-by-step explanation:
Answer: My internet connection is not good enough.
Step-by-step explanation: This one may be pretty commonly used but also a common problem people always have and it's pretty unavoidable. Tell her that the call\meeting gets super laggy and then ends up freezing and that doing it over voice is a better option for you so you can get the best learning experience or something like that. Basically pretend you care until he\she believes it.
Good luck <3 Let me know if you need another!