Essay
Psychological Tests Narrative
A psychologist tests Grade 7 students on basic word association skills and number pattern recognition skills. Let W be the event a student does well on the word association test. Let N be the event a student does well on the number pattern recognition test. A student is selected at random, and the following probabilities are given: P(W N) = 0.25, P(W
) = 0.15, P(
N) = 0.10, and P(
) = 0.50.
-Refer to Psychological Tests Narrative. If the randomly selected student does well on the word association test, what is the probability he or she will also do well on the number pattern recognition test?
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