John drives to work each morning and the trip takes an average of µ = 38 minutes. The distribution of driving times is approximately normal with a standard deviation of ? = 5 minutes. For a randomly selected morning, what is the probability that John's drive to work will take less than 35 minutes?
A) ?0.6554
B) ?0.3446
C) ?0.7257
D) ?0.2743
D
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What technical advance occurred in Christianized Europe during the Middle Ages?
a. Advanced weapons for fighting b. Animal-drawn metal plows for agriculture c. Indoor plumbing for improved living conditions d. Stained-glass windows for churches
According to Diener, what is most important to happiness?
A. people’s objective circumstances B. our ability to play C. building connections with others D. someone’s perceptions of the world
Even though developmental psychologists were wrong about the dire effects of babies not bonding with their mothers immediately after birth, the idea promoted what beneficial changes?
a. Hospital policies changed so that mothers, fathers, and babies could be in close proximity after birth. b. Hospital policies changed so that mothers were required to have skin-to-skin contact with their newborns. c. Adoption policies changed so that the adoptive parents were required to be in the delivery room to bond with the baby immediately. d. Cross-species research learned that we are more similar to birds than we thought.
Which of the following reflects the finding in cross-species research?
A- Male rhesus juveniles and boys are more likely than female rhesus juveniles and girls to engage in rough and tough play. B- Female rhesus monkeys and girls showed consistent, strong preferences for wheeled toys. C- Male monkeys and girls showed greater flexibility in preferences, sometimes playing with plush toys and sometimes playing with wheeled toys. D- Female rhesus juveniles and girls are more like than male rhesus juveniles and boys to engage in rough and tough play.