Answer:
Answer is A, A=3
Step-by-step explanation:
Answer: This is a guess I am not that smart
c. Both have been impacted by overgrazing and radioactive pollution.
Answer:
2.5 or 250.
Step-by-step explanation:
Answer: Option 'A' is correct.
Step-by-step explanation:
In the binomial probability formula, we have

Here, n = number of events
x = number of trials
p = probability of success
q = probability of failure
x is the number of trials among which we decide the number of successes and number of failures.
So, Option 'A' is correct.