Answer:



Step-by-step explanation:
Given
--- 8 friends
--- proportion that one-time fling
This question is an illustration of binomial probability, and it is represented as:

Solving (a): P(x = 0) --- None has done one time fling




Solving (b): 
To do this, we make use of compliment rule:

Rewrite as:



Solving (c):
--- Not more than 2 has one time fling
This is calculated as:

We have:







So:



Answer: I believe its 104.55
Step-by-step explanation:
Answer:
a. x<7 and x>-7
Step-by-step explanation:
√x²<√49
-7<x<7 hope this helps
5:4 i’m not quite sure but i think it would be 5:4