Please help with 3 and 4

What is the probability that there are 6 occurrences or less in ten minutes? Round you answer to three decimal places. D Question 4 13 pts 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. What is the probability that there are 6 occurrences or more in ten minutes? Round you answer to three decimal places. MacBook Pro