The Weight of a Product Is Normally Distributed with a Mean

question 55

Multiple Choice

The weight of a product is normally distributed with a mean of four ounces and a variance of .25 "squared ounces." What is the probability that a randomly selected unit from a recently manufactured batch weighs more than 3.75 ounces?

• A).3085
• B).6915
• C).1587
• D).8413

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Definitions:

Jack Johnson

The first African-American world heavyweight boxing champion, holding the title from 1908 to 1915, known for breaking color barriers in the sport.

Race Riots

Historical incidents of violent civil unrest and conflict that predominantly stem from racial tension and conflicts between racial or ethnic groups.

Jim Crow Laws

A series of state and local laws in the United States that enforced racial segregation and discrimination against African Americans, especially in the South, from the late 19th century into the 1960s.

Liberal Arts

Academic subjects such as literature, philosophy, mathematics, and social and physical sciences as distinct from professional and technical subjects.