Answer these questions from 1-7
It is obvious what your answers are,
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Sup yn aifomleauoationnf ay everyone on is a 4-hour walatching tour, Nothing quite being stuck on a boat with coworkers to develop workplace friendships. The number of whales spotted on a 4-hour tour averages 5.7 and follows the Poisson Distribution. 1) What is the probability that you will see at least 4 whales on the 4-hour tour? (2 points)
njo9nom noddns core less than 90 on the golf course. The executives are impressed, and invite you to join them for their weekly outing for the next 9 weeks. 2) What is the probability that you will score lower than 90 on every round played? (2 points) 3) What is the probability that you will score lower than 90 on two or fewer rounds? (3 points)
Haase's TA stands for teaching assistant (we don't have them here) and you are preparing to grade a round of midterms. Prof. Haase tells you he requires an average of 23.5 minutes to grade an exam with a standard deviation of 4 minutes. You decide to start grading with a sample of 32 exams. (2 points)
Technology has been growing at increasing rates. John Connor leads a research group that reports 42% of the experts believe that in the future our lives will be more harmed than helped by the digital environment. In an effort to confirm these results, 215 randomly selected people are asked their opinions about their digital life. 5) What is the probability that between 75 to 100 people are concerned about the digital future? (3 points)
The company you worked for in the beginning of this exam has opened a new location in Maine. You relocate to help settle in the new employees. You now take the new employees on puffin watching tours. When you go on these tours, you are able to spot puffins at an average rate of 8 per hour. Assume the time between puffin sightings follows an exponential distribution. 6) An overexcited new employee wants to know what's the probability that you will see a puffin in the next 5 minutes? (2 points) 7) What is the probability that the next puffin sighting will occur between the next 10-20 minutes? (3 points)