A Researcher Records the Following Response Times to a Visual

question 60

Multiple Choice

A researcher records the following response times to a visual stimulus: 23 ± 3.1 (M ± SD) s.Assuming these data are normally distributed,what is the probability that participants responded in 20 s or less?

• A) .1660
• B) .3340
• C) .6660
• D) The probability is not listed in the unit normal table.

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