(4*7/2)+(15*7)+(7*6/2) = 140
Answer:
it could either be 35 or 70
Step-by-step explanation:
The answer is 6 I think because of how I shows up in the graphs
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: