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

Parametric equations and polar coordinates, Parametric Equations and Polar ...

Parametric Equations and Polar Coordinates In this part we come across at parametric equations and polar coordinates. When the two subjects don't come out to have that much in

Ratios, in a veggie mix the ratio of cups of carrots to cups of broccolie i...

in a veggie mix the ratio of cups of carrots to cups of broccolie is 4 to 5 if you made this party mix larger how many cups of carrots would be needed to mix with fo cups of brocco

Find the distance of the journey, A train covered a certain distance at a u...

A train covered a certain distance at a uniform speed.  If the train would have been 6km/hr faster, it would have taken 4hours less than the scheduled time.   And if the train were

Relative frequency definition, Relative Frequency  This type of probab...

Relative Frequency  This type of probability requires us to make some qualifications. We define probability of event A, occurring as the proportion of times A occurs, if we re

Subtraction of like terms with same signs, Suppose we are required to...

Suppose we are required to find the difference between 3abc and 7abc. We look at two scenarios. The value we would obtain by subtracting a larger quantity from th

Optimization, Optimization is required in situations that frequentl...

Optimization is required in situations that frequently arise in finance and other areas. Organizations would like to maximize their profits or minimize thei

Word problem, tom has 150 feet of fencing to enclose a rectangular garden. ...

tom has 150 feet of fencing to enclose a rectangular garden. if the length is to be 5 feet less than three the width, find the area of the garden

Hexagon, how many sides does a regular hexagon have?

how many sides does a regular hexagon have?

How long will it take him to plow 21 acres, Mr. Brown plowed 6 acres in 1 h...

Mr. Brown plowed 6 acres in 1 hour. At this rate, how long will it take him to plow 21 acres? Mr. Brown plows 6 acres an hour, so divide the number of acres (21) through 6 to f

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