The project scheduling tool PERT (Program Evaluation and Review Technique) assumes a beta probability distribution for time estimates. Which is NOT one of the three time estimates the model uses to calculate expected completion time?
les)
A)
Optimistic Time
B)
Most Likely Time
Least Likely Time
D)
Pessimistic Time

The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).

Solve the system of equations. y= 2x y= x^2 - 15

Abox of chocolates costs $7. which equation relates the number of boxes sold (x) and total cost of the boxes sold (y)?