Identify which of the following statements is correct.

A. can be greater than or less than x.
B. is less than x
C. is equal to x.
D. is greater than x
正解:C
質問 2:
Identify which of the following statements are true.
I.Skewness measures how peaked a set of data is
II.Skewness is a measure of asymmetry of the distribution of the data about its mean.
III. For a symmetrically distributed data, the mean equals the median but not necessarily the mode IV. The value of a measure of skewness can be positive, zero or negative.
A. I and III only
B. I and II only
C. II and IV only
D. II, III and IV only
正解:C
質問 3:
Identify which of the following statements is not always true about a probability experiment.
A. The sum of the probabilities of all possible outcomes must be 1.
B. The probability of an event must lie in [0,1].
C. The sum of the probabilities of all possible events could be more than 1
D. The probability of an event occurring equals the number of outcomes in the event space divided by the total number of possible outcomes in the sample space.
正解:C
質問 4:
Evaluate

A.

B.

C. 0
D.

正解:A
質問 5:
The particular solution of the second-order difference equation

Determine the values of(A, B).
A. (5,-2)
B. (-3, 2)
C. (-2, 3)
D. (-2,5)
正解:A
質問 6:
Identify which of the following statements is correct.
A continuous random variable is one that:
A. can take one of an infinite number of values.
B. must be approximated using a discrete random variable.
C. can only take positive values.
D. can take one of a finite number of values
正解:B
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Motosugi -
独学で、該当の問題集を1週間、繰り返し読み込めました。合格することができました。本番の試験が模擬試験とほとんど変わらなかったので、落ち着いて問題を解くことができました。ありがとうございました。