Jill and Jack both live in a university. Jill receives an electricity bill of $45. Jack receives an electricity bill of
Posted: Tue May 10, 2022 6:27 am
Jill and Jack both live in a university. Jill receives an
electricity bill of $45. Jack receives an electricity bill of $37.
The mean electricity bill of all the university student is $30. The
variance of the electricity cost among the bills is 400. What
percentage of students receives an electricity bill between the
bills of Jill and jack?
electricity bill of $45. Jack receives an electricity bill of $37.
The mean electricity bill of all the university student is $30. The
variance of the electricity cost among the bills is 400. What
percentage of students receives an electricity bill between the
bills of Jill and jack?