Ummm i don't know what the pmf would be but the probability of grabbing a blue sock would be 10 out of 100...
You can set up this equation as:

Because remember, 70% is equal to 0.7 and x represents the unknown value. So, let's just solve it:

So,
70% of 120 is 84.
42!!! Its the answer to life so therefore the answer to everything
Answer:
4(x - 3)
Step-by-step explanation:
When you put brackets around a binomial (has 2 parts separated by a plus / - sign), you must take out a common factor from both terms separated by the + or - sign
A only has the 4 taken away from the x. The answer is not A
B has the 3 removed from the 12, not the x, so B is not the answer.
C that's the answer.
Answer:
2
Step-by-step explanation:
2x - 3 > 11 - 5x
+5x +5x
7x - 3 > 11
+3 +3
7x > 14
x > 14/7
x = 2