13. Which of the following statements about the normal curve is false? A. All variables that are approximately normally distributed can be transformed into standard normal variables. B. The total area under the normal distribution is one. C. The standard normal distribution is unimodal. D. The normal distribution is a continuous random probability distribution. 14 Whieh ia

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D. 800
13. Which of the following statements about the normal curve is false?
A. All variables that are approximately normally distributed can be transformed into standard
normal variables.
B. The total area under the normal distribution is one.
C. The standard normal distribution is unimodal.
D. The normal distribution is a continuous random probability distribution.
14. Which is true about the negative z- score?
A. A negative z-score implies that the students scored higher than the class mean
B. A negative z-score means that the student's score is located at the right side of the curve.
C. A negative z-score means that the student's score is lower than the median
D. A negative z-score means that the student's score surpassed more than 50% of his classmates.
15. Find the area under the standard normal curve between z = 0 and z = - 1.55. (
B. 0.4332
|
A. 0.4394
C. - 0.4332
D. 0.3531
Transcribed Image Text:D. 800 13. Which of the following statements about the normal curve is false? A. All variables that are approximately normally distributed can be transformed into standard normal variables. B. The total area under the normal distribution is one. C. The standard normal distribution is unimodal. D. The normal distribution is a continuous random probability distribution. 14. Which is true about the negative z- score? A. A negative z-score implies that the students scored higher than the class mean B. A negative z-score means that the student's score is located at the right side of the curve. C. A negative z-score means that the student's score is lower than the median D. A negative z-score means that the student's score surpassed more than 50% of his classmates. 15. Find the area under the standard normal curve between z = 0 and z = - 1.55. ( B. 0.4332 | A. 0.4394 C. - 0.4332 D. 0.3531
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