IO Quiz 2
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A therapist goes through her records and finds that 200 of her 400 patients showed significant improvement in mental health over the past year. Hence, the probability of her patients showing significant improvement in mental health is
.50
A professor finds that the students scored a 76 + 8 (M + SD) on the final exam. On this exam, a score of 90 is an A. Assuming these data are normally distributed, what is the z score for 90 (the cutoff for an A)?
1.75
the total # of possible outcomes for a random variable is referred to as the
sample space
The normal distribution has all of the following characteristics, except
the total area under the curve is greater than 1.0