Multiple Choice
A researcher records the following response times to a visual stimulus: 23 3.1 (M
SD) seconds.Assuming these data are normally distributed,what is the probability that participants responded in 20 seconds or less?
A) .1660
B) .3340
C) .6660
D) The probability is not listed in the unit normal table.
Correct Answer:

Verified
Correct Answer:
Verified
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