Normal Distribution, Mathematics

Assignment Help:
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?

Related Discussions:- Normal Distribution

Basic, is 1/6 same as six times less

is 1/6 same as six times less

The larger angle 15 find the measure of the smaller angle, Two angles are c...

Two angles are complementary. The larger angle is 15° more than twice the smaller. Find out the measure of the smaller angle. Let x = the number of degrees in the smaller angle

Evaluate the circumference of the spray, A water sprinkler operates in a ci...

A water sprinkler operates in a circular pattern a distance of 10 ft. Evaluate the circumference of the spray? (π = 3.14) a. 31.4 ft b. 314 ft c. 62.8 ft d. 628 ft

Estimate how much work is completed in stretching, A spring has a natural l...

A spring has a natural length of 20 Centimeter. A 40 N force is needed to stretch and hold the spring to a length of 30 Centimeter. How much work is completed in stretching the spr

Modelling the maximum volume, what are the dimensions of the box that can b...

what are the dimensions of the box that can be made if squares of x cm by x cm is cut off from 20cm by 20cm square paper

Statistic, The mean height of eight children is 136cm. if the height of sev...

The mean height of eight children is 136cm. if the height of seven children are 143,125,133,140,120,135 and 152,find the height of eighth student.

factorial, why zero factorial is equal to on

why zero factorial is equal to one

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