The Weight of a Product Is Normally Distributed with a Mean

question 16

Multiple Choice

The weight of a product is normally distributed with a mean of 4 ounces and a variance of .25 squared ounces. What is the probability that a randomly selected unit from a recently manufactured batch weighs no more than 3.5 ounces?

• A) .8413
• B) .9772
• C) .1587
• D) .0228

---

Definitions:

Bat-pollinated

Refers to plants that are primarily pollinated by bats, a process crucial for the reproductive success of certain plant species.

Night-blooming

Night-blooming characterizes plants that open their flowers or become active during the night, often for reasons such as attracting specific pollinators or conserving water.

Pollinator

An organism that moves pollen from the male anthers of a flower to the female stigma to achieve fertilization and produce seeds.

Floral Attraction

involves mechanisms or features of flowers that attract pollinators, such as color, scent, or nectar rewards.