Writing to Learn Alriks gerbil cage has four compartments,

Chapter 9, Problem 9.1.1.142

(choose chapter or problem)

Alrik’s gerbil cage has four compartments, A, B, C, and D. After careful observation, he estimates the proportion of time the gerbil spends in each compartment and constructs the table below.

(a) Is this a valid probability function? Explain.

(b) Is there a problem with Alrik’s reasoning? Explain.

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