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

Math, The Timbuktu post office has only 3 cents and 7 cents stamps having r...

The Timbuktu post office has only 3 cents and 7 cents stamps having run out of all other denominations. What are the six amounts of postage that cannot be created? How do you know

Estimation of difference among two means, Estimation of difference among tw...

Estimation of difference among two means We know that the standard error of a sample is given by the value of the standard deviation (σ) divided by the square root of the numbe

gauss elimination method , Question: Use  Gauss elimination method to ...

Question: Use  Gauss elimination method to solve the following system of equations.  -y +3z=4  2x-y-2z= 2  2x-2y+z =6  4x-y-7z= 0

Stats Combination Questions, A car buyer has a choice of three makes, five ...

A car buyer has a choice of three makes, five body styles, and six colors. How many different choices does the buyer have?

the comic book, a) The first comic book is of shakitman was sold in 1938. ...

a) The first comic book is of shakitman was sold in 1938. In 2010, the estimated price for this comic book in good condition was about $500,000. This represented a return of 25 per

Surds and logarithms, what are these all about and could i have some exampl...

what are these all about and could i have some examples of them please

Word Problem, a local pizza store offers medium two-topping pizzas delivere...

a local pizza store offers medium two-topping pizzas delivered for $6.00 per pizza plus a $1.50 delivery charge per order. on weekends, the store runs a game day special: if six or

Parenteral calculations, 850ml is to be administered to a person over 8 hou...

850ml is to be administered to a person over 8 hours using a drop factor of 20 drops/ml what is the flow rate in gtts/min ?

Integers , (-85) from (-21) and explain me

(-85) from (-21) and explain me

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