A Crew of Mechanics at the Department of Transportation Garage

question 98

Multiple Choice

A crew of mechanics at the Department of Transportation garage make minor repairs to snowplows during the winter. The snowplows break down at an average rate of 4 vehicles per day and breakdowns are distributed according to the Poisson distribution. The mechanic can service an average of 7 vehicles per day with a repair time distribution that approximates a negative exponential distribution. Assume an 8 hour day.
-On average, how long does a plow wait before the mechanic begins the repair?

• A) 0.19 hour
• B) 1.25 hours
• C) 1.52 hours
• D) 2.64 hours

Calculate opportunity costs and understand their role in consumer decision-making.

Understand how income changes affect budget lines and consumer choices.

Analyze the relationship between the price of goods and the slope of the budget line.

Understand the exceptions to the employment-at-will doctrine and their applications.

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Definitions:

Length

A measurement that quantifies the longest dimension of an object, or the extent of something from end to end.

DNA Profiling

Identifying an individual by analyzing the unique parts of his or her DNA.

Human Genome

The complete set of nucleic acid sequences for humans, encoded as DNA within the 23 chromosome pairs in cell nuclei and in a small DNA molecule found within individual mitochondria.

Short Tandem Repeats

Sequences in DNA where a pattern of two or more nucleotides is repeated and the sequences are directly adjacent to each other.