Determine the probability - mean and standard deviation, Mathematics

The scores of students taking the ACT college entrance examination are normally distributed with a mean m = 20.1 and a standard deviation s = 5.8.

A single student is selected at random. Determine the probability that their ACT score was between 18 and 24.

a) Determine the probability that a simple random sample of 25 students would earn an average score of at least 22.

Posted Date: 3/7/2013 2:01:44 AM | Location : United States







Related Discussions:- Determine the probability - mean and standard deviation, Assignment Help, Ask Question on Determine the probability - mean and standard deviation, Get Answer, Expert's Help, Determine the probability - mean and standard deviation Discussions

Write discussion on Determine the probability - mean and standard deviation
Your posts are moderated
Related Questions
Bill traveled 117 miles in 2.25 hours. What was his average speed? Use the formula d = rt (distance = rate × time). Substitute 117 miles for d. Substitute 2.25 hours for t and

The light on a lighthouse blinks 45 times a minute. How long will it take the light to blink 405 times? Divide 405 by 45 to get 9 minutes.

On 30 June 2012 Bill purchase a home by taking out a 30 year mortgage of $600,000 at 6% interest per annum, compounded months. Repayments are made at the end of each month. (a) Cal

what are rctilinear figures ? types of rectilinear figures and their propertiees.


Expected Value of Perfect Information In the above problems we have used the expected value criterion to evaluate the decisions under the conditions of risk. But, as long as un


Explain the Graphical Technique of Linear Equations.

Our objective is solve the following fourth-order BVP: (a(x)u'' )'' = f (x) u(0) = u(1)=0 u(0)' = u(1)'=0 (a) Give the variational formulation of the above BVP. (b) Describe the