When Activity Times Are Uncertain

question 46

Multiple Choice

When activity times are uncertain,

• A)we assume they are normally distributed.
• B)we start by calculating the optimistic,the most probable,and the pessimistic time estimates.
• C)we use the most probable time.
• D)we need to obtain at least four time estimates for each activity.

---

Definitions:

Intrapulmonary Pressure

The pressure within the lung alveoli, vital for the process of breathing and gas exchange.

Pleural Cavity

The fluid-filled space between the two layers of the pleura, surrounding each lung.

Atmospheric Pressure

The force per unit area exerted against a surface by the weight of air above that surface in the earth's atmosphere.

Boyle's Law

A gas law stating that the pressure of a given mass of an ideal gas is inversely proportional to its volume at a constant temperature.