Posted by **lisa** on Thursday, April 7, 2011 at 11:10am.

the mean and standard deviation of the grades of 500 students who took an maths exam were 69 and 7 respectively. if the grades have a bell shaped distribution, how many of these students received a grade of more than 83 marks?

## Answer This Question

## Related Questions

- Quantitative methods - the mean and standard deviation of the grades of 500 ...
- Statistics - 1. The mean and standard deviation of the grades of a group of ...
- statistics - Large group of students took a test in English and the final grades...
- statistics(business) - Large group of students took a test in English and the ...
- college - Suppose that, for a certain exam, a teacher grades on a curve. It is ...
- statistics - If the grades on a police entrance exam are normally distributed ...
- statistics - 2. The grades on a statistics midterm exam were normally ...
- statistics - In one history class, 34 students took an exam. The mean of the ...
- statistics - Percentage grades in a large physics class follow a normal ...
- statistics - In a large class, there were 220 students who wrote both the ...

More Related Questions