A Farmer Was Interested in Determining How Many Grasshoppers Were

question 25

Multiple Choice

A farmer was interested in determining how many grasshoppers were in his field. He knows that thedistribution of grasshoppers may not be normally distributed in his field due to growing conditions. As hedrives his tractor down each row he counts how many grasshoppers he sees flying away. After several rows hefigures the mean number of flights to be 57 with a standard deviation of 12. What is the probability of thefarmer will count 60 or more flights on average in the next 40 rows down which he drives his tractor?

• A) 0.0571
• B) 0.4429
• C) 0.9429
• D) 0.5710

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Definitions:

Labor Demand

Refers to the total hours that employers want to hire at a given wage rate.

Highly Skilled Workers

Individuals with extensive training and expertise in particular fields, often requiring advanced education or specialized experience.

Household Income

The total amount of income earned by members of a household, including wages, salaries, benefits, and other income streams.

Total Income

The sum of all earnings or revenues received by an individual or organization, including wages, salaries, investment returns, and other sources.