Normal Distribution, Mathematics

You don''t have to give me the answer. I just want to know HOW to do it.

In a set of 400 ACT scores where the mean is 22 and the standard deviation is 4.5, how many scores are expected to be lower than 26.5?
How many of the 400 scores are expected to be greater than 31?
Posted Date: 3/3/2013 10:27:01 PM | Location : United States







Related Discussions:- Normal Distribution, Assignment Help, Ask Question on Normal Distribution, Get Answer, Expert's Help, Normal Distribution Discussions

Write discussion on Normal Distribution
Your posts are moderated
Related Questions
Distinguish between Mealy and Moore Machine? Construct a Mealy machine that can output EVEN or ODD According to the total no. of 1''''s encountered is even or odd.on..

if area of a rectangle is 27 sqmtr and it perimeter is 24 m find the length and breath#

i don''t understand what my teacher when she talks about when she talks about cosecutive integers etc... so can u help me???

Find the distance between the points (b + c, c + a) and (c + a, a + b) . Ans : Use distance formula

my daughter is having trouble with math she cant understand why please help us

Thus, just why do we care regarding direction fields? Two nice pieces of information are there which can be readily determined from the direction field for a differential equation.

how to describe the locus of the equation x^2+6xy+y^2+z^2=1 in cylindrical polar coordinates?

how do you find the average of a number

Equal groupings - when we want to find how many objects there are in several equal-sized sets. (e.g., if there are 3 baskets, each with 4 bananas, 4 oranges and 4 apples, respec

Trace the curve (x/a)^3/2+(y/b)^2/3=1