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

Continuous Probability Distributions, Ask questioOn average, Josh makes thr...

Ask questioOn average, Josh makes three word-processing errors per page on the first draft of his reports for work. What is the probability that on the next page he will make a) 5

#Regular Expression, Find the Regular Grammar for the following Regular Exp...

Find the Regular Grammar for the following Regular Expression: a(a+b)*(ab*+ba*)b.

Tristansmath, how do i multiply demencinals

how do i multiply demencinals

Operation, What is a characteristic of operation

What is a characteristic of operation

Vijay, how to solve trignometric equations more easier?

how to solve trignometric equations more easier?

One integer is two more than another what is greater integer, One integer i...

One integer is two more than another. The sum of the lesser integer and double the greater is 7. What is the greater integer? Let x = the greater integer and y = the lesser int

Describe the laws of sines, Q. Describe the Laws of Sines? Ans. Up...

Q. Describe the Laws of Sines? Ans. Up to now we have dealt exclusively with right triangles.  The Law of Sines and the Law of Cosines are used to solve  oblique triangles

Accumulated amount , $26,000 is spended for two years. In the first year it...

$26,000 is spended for two years. In the first year it gets interest at 8.3% p.a. compounded semi annually. In the same year the rate of interest changes to 7.5% p.a. compounded da

How many hours does dee work, Susan begins work at 4:00 and Dee starts at 5...

Susan begins work at 4:00 and Dee starts at 5:00. They both finish at the similar time. If Susan works x hours, how many hours does Dee work? Since Susan started 1 hour before

Slopes downward from left to right has a positive slope, Can you explain th...

Can you explain that it is true that a line that slopes downward from left to right has a positive slope?

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