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
how to divide an arc in three equal parts

Given that f(x,y) = 3xy -  x 2 y  - xy 2 . Fi nd all the points on the surface z = f(x, y)where local maxima, local minima, or saddles occur

teach me how to o times 7s

Descrbe about Arithmetic and Geometric Sequences? When numbers are listed according to a particular pattern, we call the list a sequence. In a sequence, the numbers are separat

if 500kg of food lasts 40 days for 30 men.how many men will consume 675kg of food in 45 days.

4 accounting majors, 2 economics majors and 3 marketing majors have an interview for5 different positions with a large company. Find the number of dfferent ways that 5 of these c

How do I choose a distribution test for a sample size of 60? Probability of rolling a 4 on a six sided die.

Your engineering department estimated the following production function. Q = 15L 2 - 0.5L 3 a. What is the marginal product of labor function, MP L ? b. What is the aver

The football boosters club had 80 T-shirts made to sell at football games. Through mid-October, they had only 12 left. What percent of the shirts had been sold? Denote the numb