Suppose a statistics class has a distribution of grades with a mean of 70 and standard deviation of 15. What is the probability of scoring a 50 or higher?
What will be an ideal response?
.59.
You might also like to view...
The status of older adults has declined over time because: A) ?the intellectual ability of older adults starts declining dramatically from the age of 65
B) ?the children of older adults feel threatened by their parents' knowledge and skills. C) the children of older adults are no longer dependent on their parents for their livelihood. D) ?the government has imposed strict laws to prevent older adults from holding high positions at work.
Answer the following statement(s) true (T) or false (F)
Chronic PTSD can occur from one year after initial exposure of perceived trauma and becomes a chronic condition.
The classic AB design:
a. measures a single client several times before treatment begins and once during the treatment period b. measures a single client several times before treatment begins and a different same client several times during the treatment period c. measures a single client several times before treatment begins and the same client several times during the treatment period on the same dependent variable d. measures a single client several times before treatment begins on the same dependent variable.
The control group is the group that receives:
A. the treatment B. the dependent variable C. the independent variable D. no treatment