A data set that is normally distributed has a mean of 37 and a standard deviation of 3. In which of the following ranges would most of the data be located?

The lines shown below are parallel. if the green line has a slope of -1, what is the slope of the red line?

Could someone with number 1 and 2

Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?