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8 July, 16:00

A researcher determines the probability that a research study will reveal something new is p = 0.80. What is the probability that the study will reveal something new or not reveal something new?

0.80

0.64

1.00

0.16

+3
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  1. 8 July, 17:43
    0
    The probability that the study will reveal something new or not reveal something new would be equivalent of adding the probability of these two events together.

    P (reveal something new) + P (not reveal something new) = 0.8 + 0.2 = 1.0

    Hence this shows that these two events encompass all the possible outcomes of the research study, which is accurate as the study will either reveal or not reveal something new, there is no other possible outcome other than these two outcomes.
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