Pick Cards from a Deck Until You Get a Black

question 33

Multiple Choice

Pick cards from a deck until you get a black card or 4 consecutive red cards;record the cards in order.

• A){BBBB,RBBB,RRBB,RRRB,RRRR},not equally likely
• B){B,RB,RRB,RRRB,RRRRB,RRRRRB,....},not equally likely
• C){B,RB,RRB,RRRB,RRRRB},not equally likely
• D){B,RB,RRB,RRRB,RRRR},not equally likely
• E){BBBB,BBBR,BBRB,BBRR,BRBB,BRBR,BRRB,BRRR,RBBB,RBBR,RBRB,RBRR,RRBB,RRBR,RRRB,RRRR},equally likely

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Definitions:

Independent Variable

The variable that is manipulated to observe its effect on the dependent variable.

Ceiling Effect

A limitation in data measurement where higher values become indistinguishable due to the upper limit of the scale being reached.

Confounding

An uncontrolled variable varies systematically with an independent variable; it is impossible to separate the effect of the independent variable from the confounding variable.

Independent Variable

The variable in an experiment that is manipulated by the researcher to observe its effect on the dependent variable.