Answer:
The expected number of adult workers with a high school diploma is 4.
Step-by-step explanation:
This random variable X can be modeled with the binomial distribution, with parameters n=10 (the sample size) and p=0.4 (the probability that a adult worker have a high school diploma).
The expected value of X is then the mean of the binomial distribution with the parameters already mentioned.
This is calculated as:

Answer:
m-5=15!
Step-by-step explanation:
Answer:
the answer is A, if you need explanation comment
Step-by-step explanation:
Answer:
second option
Step-by-step explanation:
Given
A = 4xy ( to isolate x divide both sides by 4y )
= x , that is x = 
Step-by-step explanation:
Goes down 4 since it's a negative