Sami Schmitt Believes That Number of Cars Arriving at His

question 41

Multiple Choice

Sami Schmitt believes that number of cars arriving at his Scrub and Shine Car Wash follow a Poisson distribution. He collected a random sample and constructed the following frequency distribution to test his hypothesis: The number of degrees of freedom for this goodness-of-fit test is ___.

• A) 5
• B) 4
• C) 3
• D) 2
• E) 1

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Definitions:

Exaptation

An exaptation is a trait that initially carries out one function and is later co-opted for a new function. The original function may or may not be retained.

Tiktaalik

An extinct genus of fish-like tetrapods that represents an early stage of the transition from fish to tetrapods.

Eusthenopteron

An extinct prehistoric fish known for its significance in the study of vertebrate evolution, especially the transition from water to land animals.

Wrist Bones

A collection of eight small bones called carpal bones that support the structure and motion of the wrist.