36.) When using a normal distribution to graph a population, proportions and probabilities are -

a. unknown values

b. equivalent

c. meaningless

d. impossible to determine

37.) What is the probability of drawing any one card from a full deck of 52 playing cards -

a. about 2%

b. 52%

c. approximately 1 out of 100

d. cannot be determined

38.) A random sample is -

a. usually the ideal sample

b. contributes to sampling error

c. similar to a convenience sample

d. can be obtained by choosing subjects as they pass one location

39.) A normal distribution -

a. rarely occurs

b. is often approximated by natural phenomena

c. requires nominal data

d. none of the above

40.) Distribution of sample means is a distribution -

a. that is difficult to reproduce

b. of all possible samples from a given population

c. that is normal if the population is asymmetrical

d. all of the above

41.) The probability of obtaining a z-score greater than 2.0 is approximately

a. 2.28%

b. 5.06%

c. 13.59%

d. It is impossible to tell without knowing the raw scores

42.) For any normal distribution z-scores define the proportions of the distribution -

a. when the mean of the raw scores is zero

b. when the standard deviation of the raw scores is 1

c. regardless of mean or standard deviation of the raw scores

d. all of the above