A single student is selected at random, Mathematics

Assignment Help:

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

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

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


Related Discussions:- A single student is selected at random

Triangles, if P is a point in the interior of a triangles ABC,prove that AB...

if P is a point in the interior of a triangles ABC,prove that AB>BC+CA

Determine the minimum cost , A company is taking bids on four construction ...

A company is taking bids on four construction jobs. Three Contractors have placed bids on the jobs. Their bids (in thousands of dollars) are given in the file. (A blank indicates n

Alzebra, how can i memorize the formulas

how can i memorize the formulas

Determine how much more time it will take to reach the base, A man on a top...

A man on a top of a tower observes a truck at an angle of depression α where tanα = 1/√5 and sees that it is moving  towards the base of the tower. Ten minutes later, the angle of

External division of section formula, give me the derivation of external di...

give me the derivation of external division of sectional formula using vectors

In terms of x what is the area of her garden, Laura has a rectangular garde...

Laura has a rectangular garden whose width is x 3 and whose length is x4. In terms of x, what is the area of her garden? Since the area of a rectangle is A = length times widt

Statisctics, I would like to know what a symbol in my homework means?

I would like to know what a symbol in my homework means?

Types of relation, Relations in a Set: Let consider R be a relation fro...

Relations in a Set: Let consider R be a relation from A to B. If B = A, then R is known as a relation in A. Thus relation in a set A is a subset of A ΧA. Identity Relation:

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