Asked by qamar
if height of 300 students is normally distributed with mean 68.00 inch and standard deviation 3.0 in ch. how manystudents have heights greater than 72 inches?
Answers
Answered by
Reiny
using my favourite webpage for this topic ...
http://davidmlane.com/hyperstat/z_table.html
enter your mean and SD
click on above and enter 72 to get
.0912
so number of students = .0912(300)
= appr 27
http://davidmlane.com/hyperstat/z_table.html
enter your mean and SD
click on above and enter 72 to get
.0912
so number of students = .0912(300)
= appr 27
Answered by
Shahzadi afzal
solve
Answered by
Shahzadi afzal
mean 68.00 stanrd deviation 3
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