Answered You can hire a professional tutor to get the answer.
QUESTION
ented by a histogram approximately symmetric and quot;bell shapedquot;, what percent of observations falls within 3 standard deviations of the mean?...
If a data set is represented by a histogram approximately symmetric and "bell shaped", what percent of observations falls within 3 standard deviations of the mean?
(1) 50%
(2) 68%
(3) 95%
(4) 99.7%
