Choosing equipment and learning materials at an early childhood conference is a good idea
because ___.
a. ?buyers can meet the salesperson rather than ordering by mail
b. ?a wide variety of products are available to be compared
c. ?the products are obviously developmentally appropriate
d. ?staff members who are attending the conference will be able to make purchase suggestions
ANSWER:
b
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A) excessive hunger and slurred speech. B) thumb sucking and a disinterest in toys. C) yawning and looking outside more often than normal. D) pulling of hair and running around the room excitedly. E) All of these answers are correct.
Your chances of getting a job from classified ads range from:
a. 5 to 13 percent b. 1 to 2 percent c. 50 to 60 percent d. 80 to 85 percent
The first cell resulting from the fertilization of the ovum by the sperm is called the:
a. embryo. b. gender. c. placenta. d. zygote.
For a variable with 
= 3.50, how large should the sample be for a desired 95% confidence interval width of 1.50?
a. 9 b. 21 c. 84 d. 441