A normal distribution has a mean of µ = 80 with ? = 20. What score separates the highest 15% of the distribution from the rest of the scores?
A) X = 59.2?
B) ?X = 100.8
C) ?X = 95
D) ?X = 65
B
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Ultrasound allows physicians to ______.
A. analyze the fetus' genotype B. administer hormones to the developing fetus C. diagnose most chromosomal disorders D. determine the sex of the fetus
Which of the following is the last of the three stages of prenatal development?
a. the embryonic period b. the germinal period c. the fetal period d. the zygotic period
Compared with younger adults, longtime married older people __________ after divorce
A) are more likely to remarry within a few years B) are more likely to find it easy to separate their identity from that of their former spouse C) are less likely to express regret over leaving an unhappy marriage D) may experience a greater sense of personal failure
Smoking during pregnancy causes all of the following EXCEPT
a. a reduction in oxygen to the fetus. b. an increased risk of miscarriage and prematurity. c. the occurrence of facial abnormalities. d. lowering of the children's language and mental ability scores.