His commission rate would be 4%
480/12000=.04
Answer:
(a) [8, 14]
(b) 
(c)See attachment
Step-by-step explanation:
We want to choose a value of x within 3 units of 11.
(a)Now, 11-3=8 and 11+3=14
The possible values of x ranges is in the closed interval [8,14]
(b) Since x is within 3 units of 11., we have:

Solving the absolute inequality

(c)To draw the number line, we use a closed dot since we have the less than or equal to sign.
Answer:
The correct answer is False.
Step-by-step explanation:
The cumulative distribution function of a continuous random variable is the probability that the random variable X is less than or equal to x, where x is a specific value of the continuous random variable X.
The cumulative distribution function is a function that is usually derived from a continuous random variable. We actually calculate the area underneath a probability density function between two points.
Answer:62.92
Step-by-step explanation:
50/100f=.5f ... 31.46/.5=62.92 ... 62.92=f
Answer:
123
Step-by-step explanation:
b.2+7