Determine the probability - mean and standard deviation, Mathematics

Assignment Help:

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.


Related Discussions:- Determine the probability - mean and standard deviation

What was the planes average speed, A ?ight from Pittsburgh to Los Angeles t...

A ?ight from Pittsburgh to Los Angeles took 5 hours and covered 3,060 miles. What was the plane's average speed? Find out the rate at that Susan is traveling through dividing h

What is the volume of this prism in terms of x, The area of the base of a p...

The area of the base of a prism can be expressed as x2 + 4x + 1 and the height of the prism can be expressed as x - 3. What is the volume of this prism in terms of x? Because t

Index numbers, What are advantages and disadvantages of both Laspeyres and ...

What are advantages and disadvantages of both Laspeyres and Paasche?

Matrices, Consider the following linear equations. x1-3x2+x3+x4-x5=8 -2x1+...

Consider the following linear equations. x1-3x2+x3+x4-x5=8 -2x1+6x2+x3-2x4-4x5=-1 3x1-9x2+8x3+4x4-13x5=49

What was the us''s policy towards latin america, What was the US's policy t...

What was the US's policy towards Latin America during the 20th century? What were the motives behind this policy? Give one example of the US executing this policy?

Eulers Method, Euler's Method Up to this point practically all differe...

Euler's Method Up to this point practically all differential equations which we've been presented along with could be solved. The problem along with this is which the exceptio

Generic rectangles and greatest common factors, miaty and yesenia have a gr...

miaty and yesenia have a group of base ten blocks.Misty has six more than yesnia. Yesenia''s blocks repersent 17 together they have 22 blocks,and the total of blocks repersent 85.

Analyze the dynamic path - difference equation, One of the well-known class...

One of the well-known class of models that involve a simple difference equation are models of mean reversion. These models typically take the form yt+1 - yt = -a(yt - μ)where 0

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd