probability in normal distribution (very basics) [on hold]

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Suppose X is random variable of height of males. X ~ N(175,25). (i.e., average=175, standard deviation 5).Then I can say that if take a random male, there is probability of 0.687 that the height of a person will be between 170 and 180 (i.e., one standard deviation).
Am I correct?



Thanks.










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put on hold as off-topic by amWhy, Did, Saad, mrtaurho, Paul Frost 12 hours ago


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "This question is missing context or other details: Please provide additional context, which ideally explains why the question is relevant to you and our community. Some forms of context include: background and motivation, relevant definitions, source, possible strategies, your current progress, why the question is interesting or important, etc." – amWhy, Did, Saad, mrtaurho, Paul Frost

If this question can be reworded to fit the rules in the help center, please edit the question.









  • 6




    What do you think? What are your doubts? C'mon now, don't be shy....
    – LoveTooNap29
    Dec 24 at 21:20






  • 4




    You should edit the question to indicate whether $5$ is $sigma$ or $sigma^2$. Note the usual notation is $N(mu,,sigma^2)$.
    – J.G.
    Dec 24 at 21:23






  • 1




    My doubts are because it is usually said not in probability terms: "About 68% of values drawn from a normal distribution are within one standard deviation σ away from the mean" (en.wikipedia.org/wiki/Normal_distribution)
    – John
    Dec 24 at 21:30












  • “68% of values drawn from a normal distribution are within...”=“68% chance a sample from a normal population is within...”
    – LoveTooNap29
    Dec 24 at 21:49






  • 1




    John, yes, it's correct (assuming the mean is 175 and the standard deviation is 5). Between the values 170 and 180 one has approximately a probability of 0.68. However, just to avoid confusion and state things properly you should edit your question.
    – DavidPM
    Dec 24 at 23:41
















-2














Suppose X is random variable of height of males. X ~ N(175,25). (i.e., average=175, standard deviation 5).Then I can say that if take a random male, there is probability of 0.687 that the height of a person will be between 170 and 180 (i.e., one standard deviation).
Am I correct?



Thanks.










share|cite|improve this question















put on hold as off-topic by amWhy, Did, Saad, mrtaurho, Paul Frost 12 hours ago


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "This question is missing context or other details: Please provide additional context, which ideally explains why the question is relevant to you and our community. Some forms of context include: background and motivation, relevant definitions, source, possible strategies, your current progress, why the question is interesting or important, etc." – amWhy, Did, Saad, mrtaurho, Paul Frost

If this question can be reworded to fit the rules in the help center, please edit the question.









  • 6




    What do you think? What are your doubts? C'mon now, don't be shy....
    – LoveTooNap29
    Dec 24 at 21:20






  • 4




    You should edit the question to indicate whether $5$ is $sigma$ or $sigma^2$. Note the usual notation is $N(mu,,sigma^2)$.
    – J.G.
    Dec 24 at 21:23






  • 1




    My doubts are because it is usually said not in probability terms: "About 68% of values drawn from a normal distribution are within one standard deviation σ away from the mean" (en.wikipedia.org/wiki/Normal_distribution)
    – John
    Dec 24 at 21:30












  • “68% of values drawn from a normal distribution are within...”=“68% chance a sample from a normal population is within...”
    – LoveTooNap29
    Dec 24 at 21:49






  • 1




    John, yes, it's correct (assuming the mean is 175 and the standard deviation is 5). Between the values 170 and 180 one has approximately a probability of 0.68. However, just to avoid confusion and state things properly you should edit your question.
    – DavidPM
    Dec 24 at 23:41














-2












-2








-2







Suppose X is random variable of height of males. X ~ N(175,25). (i.e., average=175, standard deviation 5).Then I can say that if take a random male, there is probability of 0.687 that the height of a person will be between 170 and 180 (i.e., one standard deviation).
Am I correct?



Thanks.










share|cite|improve this question















Suppose X is random variable of height of males. X ~ N(175,25). (i.e., average=175, standard deviation 5).Then I can say that if take a random male, there is probability of 0.687 that the height of a person will be between 170 and 180 (i.e., one standard deviation).
Am I correct?



Thanks.







probability probability-distributions normal-distribution






share|cite|improve this question















share|cite|improve this question













share|cite|improve this question




share|cite|improve this question








edited 2 days ago

























asked Dec 24 at 21:16









John

936




936




put on hold as off-topic by amWhy, Did, Saad, mrtaurho, Paul Frost 12 hours ago


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "This question is missing context or other details: Please provide additional context, which ideally explains why the question is relevant to you and our community. Some forms of context include: background and motivation, relevant definitions, source, possible strategies, your current progress, why the question is interesting or important, etc." – amWhy, Did, Saad, mrtaurho, Paul Frost

If this question can be reworded to fit the rules in the help center, please edit the question.




put on hold as off-topic by amWhy, Did, Saad, mrtaurho, Paul Frost 12 hours ago


This question appears to be off-topic. The users who voted to close gave this specific reason:


  • "This question is missing context or other details: Please provide additional context, which ideally explains why the question is relevant to you and our community. Some forms of context include: background and motivation, relevant definitions, source, possible strategies, your current progress, why the question is interesting or important, etc." – amWhy, Did, Saad, mrtaurho, Paul Frost

If this question can be reworded to fit the rules in the help center, please edit the question.








  • 6




    What do you think? What are your doubts? C'mon now, don't be shy....
    – LoveTooNap29
    Dec 24 at 21:20






  • 4




    You should edit the question to indicate whether $5$ is $sigma$ or $sigma^2$. Note the usual notation is $N(mu,,sigma^2)$.
    – J.G.
    Dec 24 at 21:23






  • 1




    My doubts are because it is usually said not in probability terms: "About 68% of values drawn from a normal distribution are within one standard deviation σ away from the mean" (en.wikipedia.org/wiki/Normal_distribution)
    – John
    Dec 24 at 21:30












  • “68% of values drawn from a normal distribution are within...”=“68% chance a sample from a normal population is within...”
    – LoveTooNap29
    Dec 24 at 21:49






  • 1




    John, yes, it's correct (assuming the mean is 175 and the standard deviation is 5). Between the values 170 and 180 one has approximately a probability of 0.68. However, just to avoid confusion and state things properly you should edit your question.
    – DavidPM
    Dec 24 at 23:41














  • 6




    What do you think? What are your doubts? C'mon now, don't be shy....
    – LoveTooNap29
    Dec 24 at 21:20






  • 4




    You should edit the question to indicate whether $5$ is $sigma$ or $sigma^2$. Note the usual notation is $N(mu,,sigma^2)$.
    – J.G.
    Dec 24 at 21:23






  • 1




    My doubts are because it is usually said not in probability terms: "About 68% of values drawn from a normal distribution are within one standard deviation σ away from the mean" (en.wikipedia.org/wiki/Normal_distribution)
    – John
    Dec 24 at 21:30












  • “68% of values drawn from a normal distribution are within...”=“68% chance a sample from a normal population is within...”
    – LoveTooNap29
    Dec 24 at 21:49






  • 1




    John, yes, it's correct (assuming the mean is 175 and the standard deviation is 5). Between the values 170 and 180 one has approximately a probability of 0.68. However, just to avoid confusion and state things properly you should edit your question.
    – DavidPM
    Dec 24 at 23:41








6




6




What do you think? What are your doubts? C'mon now, don't be shy....
– LoveTooNap29
Dec 24 at 21:20




What do you think? What are your doubts? C'mon now, don't be shy....
– LoveTooNap29
Dec 24 at 21:20




4




4




You should edit the question to indicate whether $5$ is $sigma$ or $sigma^2$. Note the usual notation is $N(mu,,sigma^2)$.
– J.G.
Dec 24 at 21:23




You should edit the question to indicate whether $5$ is $sigma$ or $sigma^2$. Note the usual notation is $N(mu,,sigma^2)$.
– J.G.
Dec 24 at 21:23




1




1




My doubts are because it is usually said not in probability terms: "About 68% of values drawn from a normal distribution are within one standard deviation σ away from the mean" (en.wikipedia.org/wiki/Normal_distribution)
– John
Dec 24 at 21:30






My doubts are because it is usually said not in probability terms: "About 68% of values drawn from a normal distribution are within one standard deviation σ away from the mean" (en.wikipedia.org/wiki/Normal_distribution)
– John
Dec 24 at 21:30














“68% of values drawn from a normal distribution are within...”=“68% chance a sample from a normal population is within...”
– LoveTooNap29
Dec 24 at 21:49




“68% of values drawn from a normal distribution are within...”=“68% chance a sample from a normal population is within...”
– LoveTooNap29
Dec 24 at 21:49




1




1




John, yes, it's correct (assuming the mean is 175 and the standard deviation is 5). Between the values 170 and 180 one has approximately a probability of 0.68. However, just to avoid confusion and state things properly you should edit your question.
– DavidPM
Dec 24 at 23:41




John, yes, it's correct (assuming the mean is 175 and the standard deviation is 5). Between the values 170 and 180 one has approximately a probability of 0.68. However, just to avoid confusion and state things properly you should edit your question.
– DavidPM
Dec 24 at 23:41















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