anonymous
  • anonymous
Help! Medal and Fan! :D Which of the following statements are true? I. The area under a normal curve is always equal to 1, no matter what the mean and standard deviation are. II. The smaller the standard deviation of a normal curve is, the higher and narrower the graph. III. Normal curves with different means are centered around different numbers.
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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anonymous
  • anonymous
@ganeshie8 @dan815 @pooja195 @Hero Please Help.
anonymous
  • anonymous
@Michele_Laino @triciaal @Kainui @KyanTheDoodle
anonymous
  • anonymous
Answer Choices: A) I and II B) I and II C) II and III D) I, II, and III E) None of the above.

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Michele_Laino
  • Michele_Laino
hint: the area under the gaussian or normal curve represents the total probability, and the total probability has to be equal to 1
triciaal
  • triciaal
I think option B should read I and III think answer I and II correct I am not sure about III
anonymous
  • anonymous
Oh okay! So Would it be I II and III?
anonymous
  • anonymous
I think thats it.
triciaal
  • triciaal
i would pick D all 3 true
anonymous
  • anonymous
Okay thank you.
Michele_Laino
  • Michele_Laino
yes! I also think that all three options are true
triciaal
  • triciaal
different means will position the same graph left or right based on the value of the mean

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