Answer:



Step-by-step explanation:
We are given the following recursive formula:

And consider 
a2

a3

a4

Answer: Yes
Step-by-step explanation:
See attached file. Brainly did not allow me to send my explanation normally. Sorry for the trouble!
Answer:
64
Step-by-step explanation:
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The probability that the major of one student that is selected at random is engineering can be calculated by the total number of engineering major divided by the total number of students
p = engineering / total students
p = 300 / ( 300 + 700 + 500)
p = 0.2 is the probability of the major of one student is engineering