Calculus help! Will give ALOT of points and will mark brainliest answer! I’ve done these problems before, same question but different numbers and now it’s telling me my equations are incorrect? How is that so? (Aka the ones in red not green)

The random variable x is the number of occurrences of an event over an interval of ten minutes. it can be assumed that the probability of an occurrence is the same in any two-time periods of an equal length. it is known that the mean number of occurrences in ten minutes is 5.3. the appropriate probability distribution for the random variable

In 2009, there were 1570 bears in a wildlife refuge. in 2010, the population had increased to approximately 1884 bears. if this trend continues and the bear population is increasing exponentially, how many bears will there be in 2018?

With number 11 ( show how you got the answer)