The Probability Density Function for the Life Span of an Electronics

question 175

Multiple Choice

The probability density function for the life span of an electronics part is where t is the number of months in service. Find the probability that any given part of this type lasts longer than 18 months. Round your answer to three decimal places. ​

• A)0.487
• B)0.513
• C)0.532
• D)0.497
• E)0.468

---

Definitions:

Facial

A beauty treatment for the face, typically including cleansing, steam, exfoliation, extractions, creams, lotions, facial masks, peels, and massage.

Trigeminal Nerves

The fifth cranial nerve responsible for sensory data in the face and motor functions such as biting and chewing.

Scalp

The scalp is the anatomical area bordered by the face at the front, and by the neck at the sides and back, comprised of five layers and containing hair follicles and sebaceous glands.

Skin

The largest organ of the body that acts as a barrier protecting against physical, thermal, and chemical injury, and pathogens.