Answer:
676 assuming the population is 3800 in 2019. If it's a different year then change t.
Step-by-step explanation:

By using the information in the question, find a equation in the y=mx+b form. Then, plug in 37 as the x value and solve for y.
I apologise, but it is as though that there is some missing necessary information. Perhaps there was an error?
Answer:
36 people
Step-by-step explanation:
The expected value E(X) = mean of sample = np
Where, p = population proportion, p = 9% = 0.09
n = sample size, = 400
The mean of the number of people with genetic mutation, E(X) = np = (400 * 0.09) = 36
36 people
Answer:
y=4/5x
Step-by-step explanation: