please answer question#7 and 8

7. o -/3 points MendStat15 5.3.019. I} My Notes 0 Ask Your The number X of people entering the intensive care unit at a particular hospital on any one day has a Poisson probability distribution with mean equal to four persons per day. (a) What is the probability that the number of people entering the intensive care unit on a particular day is two? (Round your answer to three decimal places.) (b) Is it likely that x will exceed 8? Explain. l l l l l l l l l What is the probability that the number of people entering the intensive care unit on a particular day is less than or equal to two? (Round your answer to three decimal places.) i l l l l l K', Yes, x is less than 2 standard deviations above the mean. l A No, x is more than 2 standard deviations above the mean. i l You may need to use the appropriate appendix table or technology to answer this question. 8. o -/3 points MendStat15 5.3.020. [Q My Notes 0 Ask Your Teacher According to a study conducted by a university, children who are injured two or more times tend to sustain these injuries during a relatively limited time, usually 1 year or less. If the average number of injuries per year for school-age children is two, what are the probabilities of these events? (Round your answers to three decimal places.) (a) a school-age child will sustain two injuries during the year (b) a school-age child will sustain two or more injuries during the year (c) a school-age child will sustain at most one injury during the year You may need to use the appropriate appendix table or technology to answer this