Questions 7-10 Next 4 questions (7-10) are based on the following: The following table shows the probability distribution of the number of days (x) to complete a construction project by a contractor. X 123456 f(x) 0.10 0.25 0.30 0.09 0.06 7 1 point The probability that the project will be finished in 4 days is: 0000 0.20 0.22 0.24 0.26 8 1 point The probability that it will take at least 2 days to finish the project is: 0000 0.90 0.74 0.65 0.58 9 1 point The expected value of the days to finish the project is: 00 10 1 point 3.03 3.20 3.54 3.11 The standard deviation of the days to finish the project is: OOOO 1.319 1.086 1.283 1.195 -DO -DO -DO