The Mean Weight of Trucks Traveling on a Particular Section

question 26

Multiple Choice

The mean weight of trucks traveling on a particular section of I-475 is not known. A state highway inspector needs an estimate of the mean. He selects a random sample of 49 trucks passing the weighing station and finds the mean is 15.8 tons, with a standard deviation of the sample of 4.2 tons. What is probability that a truck will weigh less than 14.3 tons?

• A) 0.0062
• B) 0.3632
• C) 0.1368
• D) 0.4938

Understand the concept of essential elements and their classification in plant nutrition.

Learn about the process and importance of soil formation and mineral particles for plant nutrition.

Understand the mechanisms of nutrient uptake and regulation in plants.

Comprehend the process and significance of cation exchange in nutrient uptake by plants.

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Definitions:

Cystic Fibrosis

A genetic disorder affecting the lungs and digestive system, characterized by thick, sticky mucus that can lead to severe respiratory and gastrointestinal issues.

Inherited

Acquired from a predecessor, such as traits, money, or property, passed down through familial lines.

Degenerative Brain Disorder

A condition that results in the gradual deterioration of brain function, affecting memory, thinking, language, and judgement.

Huntington's Disease

A genetic disorder causing the progressive breakdown of nerve cells in the brain, affecting movement, cognition, and leading to psychiatric disorders.