In a Certain Communications System,there Is an Average of 1

question 16

Multiple Choice

In a certain communications system,there is an average of 1 transmission error per 10 seconds.Assume that the distribution of transmission errors is Poisson.The probability of 1 error in a period of one-half minute is approximately ________

• A) 0.1493
• B) 0.3333
• C) 0.3678
• D) 0.1336
• E) 0.03

---

Definitions:

Rales

Abnormal crackling or rattling sounds heard in the lungs with a stethoscope, indicative of fluid in the alveoli due to conditions like pneumonia.

Rhonchi

Coarse rattling respiratory sounds somewhat similar to snoring, usually caused by obstruction or secretion within the larger airways.

Crackles

A type of abnormal lung sound heard through a stethoscope, indicating fluid in the air spaces of the lungs, often associated with heart or lung conditions.

Abdominal Palpation

A hands-on examination technique used by healthcare providers to assess organs and structures within the abdomen.