5 Answered Questions for the topic Normal Curve

08/25/16

For the following variables, would the distribution of scores approximate a normal curve?

For the following variables, would the distribution of scores approximate a normal curve? Please explain why and if its not going to have a normal curve, what distribution shape is it really likely... more
Normal Curve

02/23/16

When asked if grades are “curved” Professor Makanyanga replies that she uses the normal curve as a guide in assigning letter grades to large classes.

When asked if grades are “curved” Professor Makanyanga replies that she uses thenormal curve as a guide in assigning letter grades to large classes. She first finds theaverage numerical grade and... more

11/04/15

in 1995, SAT math scores werenormally distributed with mean 500 and standard deviation 100 points.

What percent of students scored greater than 410?

07/30/14

How do you solve these questions?

Hello! I would like to ask on how to solve these questions in Statistics. The topic is about the normal distribution curve. (Before starting, I do not have a picture of the z table to show you what... more

11/12/13

Find the value of x so that the area under the normal curve is between...

EDIT: μ = 200 and σ = 25.   1. Find the value of x so that the area under the normal curve between μ and x is .4525 and the value of x is less than μ.   2. Find the value of x so that the area... more

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