The Learning Rate for a Product Is 90 Percent

question 82

Multiple Choice

The learning rate for a product is 90 percent.The first unit took 10 hours to complete.The manufacturer wants to determine how many hours the fourth unit will take by using the formula approach.What is the coefficient b for that calculation?

• A)-.1053
• B)-.1520
• C)-.3219
• D).6931
• E)8.1

---

Definitions:

Crossbow

A medieval weapon consisting of a bow mounted on a stock that shoots projectiles, known as bolts or quarrels, which was used for hunting and warfare.

Jewish

Relating to, associated with, or denoting Jews or Judaism.

Muslim Heritage

The cultural, scientific, and historical contributions of the Islamic world, including advancements in various fields such as mathematics, medicine, and architecture.

Medieval Period

A historical era in European history, spanning roughly from the 5th to the late 15th century, characterized by feudalism, the spread of Christianity, and the emergence of the modern nation-states.