Answer:

Step-by-step explanation:
Given
Balls = 1 to 4
Required
Determine the probability of selecting ball numbered at least 2
Here, we'll assume that all numbers have the same probability.
The probability of each ball will be:

So:

Recall that
--- for each ball
So, the equation becomes



Answer:
p+$4.30
Step-by-step explanation:
4p-3p=p
$8.55-$4.25=$4.30
The answer is most likely b
Answer:
x=0.75
Step-by-step explanation:
Solve for x by cross multiplying.
Basically, the unit rate is 1.99/18 or 0.110.
If we round 1.99 to 2.00, we instead get 0.111~