147 reputation
6
bio website joelchristophel.com
location Reading, PA USA
age 18
visits member for 11 months
seen 14 hours ago

May
31
accepted Lack of 0 in a 2-sample confidence interval
May
31
revised Lack of 0 in a 2-sample confidence interval
edited body
May
30
revised Lack of 0 in a 2-sample confidence interval
added 9 characters in body
May
30
accepted Normal distribution without standard deviation given
May
30
asked Lack of 0 in a 2-sample confidence interval
May
30
asked Normal distribution without standard deviation given
May
6
asked What things to memorize for AP Calculus AB Exam
Feb
22
awarded  Commentator
Feb
22
comment Use z confidence interval to estimate population proportion
Thank you. This cleared things up
Feb
22
accepted Use z confidence interval to estimate population proportion
Feb
22
comment Use z confidence interval to estimate population proportion
But the population binomial is normal when p=.5 No?
Feb
22
revised Use z confidence interval to estimate population proportion
added 233 characters in body
Feb
22
asked Use z confidence interval to estimate population proportion
Jan
25
comment Sampling distribution with large sample size
Thanks, that makes sense. Another question: Once n ≥ 30, the distribution is approximately normal, but after 30, does it become even more normal or remain approximately normal?
Jan
25
revised Sampling distribution with large sample size
deleted 2 characters in body
Jan
25
asked Sampling distribution with large sample size
Dec
7
accepted Combining random variables
Dec
7
asked Combining random variables
Nov
28
revised Rules governing overline usage in Roman numerals
edited title
Nov
10
revised Rules governing overline usage in Roman numerals
added 73 characters in body; added 12 characters in body