4 because if you divide 120/30 you get 4
Answer: 
Step-by-step explanation:
Binomial probability formula :-
, where P(x) is the probability of getting success in x trials, n is the total number of trials and p is the probability of getting success in each trial.
We assume that the total number of days in a particular year are 365.
Then , the probability for each employee to have birthday on a certain day :

Given : The number of employee in the company = n
Then, the probability there is at least one day in a year when nobody has a birthday is given by :-

Hence, the probability there is at least one day in a year when nobody has a birthday =
5 meals for the dog to eat 1 lb.
7/8 =.875.
.875/4=.218.
.218+.875=1.09
Answer:
x=1
Step-by-step explanation:
Subtract
18
from both sides
Simplify
3
Subtract
2x
from both sides