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22 November, 21:30

If the number of equally likely sample outcomes of a single stage of an experiment is 4, what is the total number of elements in the sample space if the experiment has 3 stages?

A. 16

B. 12

C. 64

D. 81

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Answers (1)
  1. 22 November, 23:05
    0
    The answer is B. 12

    1 stage has 4 elements in the sample space.

    3 stages have x elements in the sample space.

    1 : 4 = 3 : x

    x = 3 * 4 : 1

    x = 12
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