If ?/2 = .33, then (1–?)100% = ______ of all intervals computed as m ± z?/2(?m) will capture ?.
a. 67%
b. 83.5%
c. 33%
d. 34%
Ans: D
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If a child is born with alcohol-related abnormalities, which of the following would not be a safe assumption?
a. The mother ingested alcohol sometime during the pregnancy. b. Alcohol can be passed from the mother to the developing child. c. That the placenta was unable to keep the alcohol from being passed to the child. d. The child will suffer from intellectual disability later in life.
The relationship (correlation) between IQ scores and school grades is
a. about .50. b. very low. c. about .25. d. too variable to be of much importance.
At least ________ percent of all children and teenagers in America are now overweight or obese
a. 50 b. 75 c. 35 d. 5
Which of the following best describes the antisocial personality?
a. low intelligence b. lack of remorse or guilt c. depression d. paranoid schizophrenic tendencies