normal distribution, Basic Statistics

Assignment Help:
In a mathematics examination the average grade was 82 and the standard deviation was 5. all students with grade from 88 to 94 received grade of B. if the grade are approximately normally distributed and 8 students received a B grade , how many students took the examination?

Related Discussions:- normal distribution

Rejection of null hypothesis - testing of hypothesis, Two researchers test ...

Two researchers test the same hypothesis. Researcher A rejects the null hypothesis and researcher B fails to reject the null hypothesis.  Discuss three reasons that could cause the

What is degrees of freedom, What is  Degrees of Freedom : While comparing ...

What is  Degrees of Freedom : While comparing the calculated value of X2 with the table value we have to determine the degrees of freedom. By degrees of freedom we mean the number

Tchebycheffs theorem, Tchebycheffs theorem As we all know standard deviati...

Tchebycheffs theorem As we all know standard deviation is a most widely used measure of variation. It has certain mathematical properties that facilitate development of statistica

Index number, Characteristics of index number

Characteristics of index number

What is owner’s equity, What is owner’s equity? Owner’s value is on...

What is owner’s equity? Owner’s value is one of the three primary elements of a single proprietorship’s stability piece and bookkeeping situation. Owner’s value symbolizes

Revenue Recognition & Depreciation, Question 2 Pankratov Lakes is a new rec...

Question 2 Pankratov Lakes is a new recreational real estate development that consist of 500 Lake front and lake view lots. As a special incentive to the first 100 buyers of lake v

Operation research, A paper mill produces two grades of paper viz., X and Y...

A paper mill produces two grades of paper viz., X and Y. Because of raw material restrictions, it cannot produce more than 400 tons of grade X paper and 300 tons of grade Y paper i

GENERAL ENTRY PROBLEM, could you please tell meaning of credit and debit no...

could you please tell meaning of credit and debit notes in terms of intercompany transactions.

Essentials of statistics for behavioral sciences, it seems that 14% of enga...

it seems that 14% of engaged women buy a wedding dress at least one size smaller than their current size

Identify the test statistic, The National Center for Health Statistics rece...

The National Center for Health Statistics recently released a report that stated 70% of adults do not exercise regularly. A researcher decided to test whether the results on a stat

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