What is the percent of scores be outstanding

Assignment Help Basic Statistics
Reference no: EM13121089

Assume the score of a standardized test are normally distribution with a mean of 312 and a standard deviation of 68. a score is considered outstanding if it is at least 420. what is the % of the scores would be outstanding?

Reference no: EM13121089

Questions Cloud

Determine the equilibrium concentration of pb2+ : A pipette is used to add 32 mL of 0.2 M Pb(NO3)2 to a 261.0 mL solution of 0.3 M NaF. Determine the equilibrium concentration of Pb2+(aq) in the final solution. Ksp(PbF2)=3.6E-8.
Bluebirds deemed paid foreign tax credit : What is Bluebird's deemed paid foreign tax credit related to the dividend received (before consideration of any limitation)?
What amount of the refund : What amount of the refund, if any, should Grace include in her gross income if last year her total itemized deductions exceeded the standard deduction by $350?
Commonly confused word : Identify those with errors by marking each of the errors in bold. Make the correction in parentheses after the error. For those that are correct, write correct at the end of the sentence.
What is the percent of scores be outstanding : A standard deviation of 68. a score is considered outstanding if it is at least 420. what is the % of the scores would be outstanding?
What amount of the refund : What amount of the refund, if any, should Grace include in her gross income if last year her total itemized deductions exceeded the standard deduction by $350?
Find the number of defective items : Suppose that a batch of 100 items contains 6 that are defective and 94 that are nondefective. If X is the number of defective items
What is the change in energy of the gas : A gas expands and does pv work on its surroundings equal to 347 J. At the same time, it absorbs 127J of heat from the surroundings, what is the change in energy of the gas.
Objective questions : After using classical conditioning to train a child to stand whenever a teacher calls their name, the child begins to stand whenever any adults refer to them. What has occurred?

Reviews

Write a Review

Basic Statistics Questions & Answers

  Capturing the true-mean of the population

A SRS of size 16 drawn from a Normally Distributed population has a mean of 30 and a standard deviation, s, of 5. With 95% confidence, what is the interval that captures the true mean of the population?

  Sample testing for mini-oats cereal

You are the manager of a factory that produces Mini-Oats Cereal. The factory has an automated packaging machine that can be set at any targeted fill level between 12 and 32 ounces.

  Type of sampling technique

To test the effectiveness of a new type of plastic handcuffs, a law enforcement agency puts the cuffs on a sample of 30 persons who belong to the local weightlifting club. None is capable to break free from the cuffs. What type of sampling techniq..

  Chi-square analysis-pearson correlation

Please describe and define what the chi-square analysis is, the conditions under which it is used, and how it compares to the Pearson Correlation.

  Find the best-predicted value of y

Suppose for a particular set of data r = 0.889, ybar = 5.5, n = 15 and the equation for the regression line is yhat = 3.5 + 2.5x. Find the best-predicted value of y given that x = 2.0.

  Find optimal allocation for estimating population mean

The population consists of two strata, H and L of sizes 100,000 and 500,000 and standard deviations 20 and 12 respectively. A stratified sample of size 100 is to be taken.

  Utilizing the finite population correction factor

1st a confidence interval is constructed without utilizing the finite population correction factor.

  Constructing confidence interval for kernels

Construct a 90 percent confidence interval for the proportion of all kernels that would not pop.

  Probability that the age of a randomly selected ceo

To find out the probability that the age of a randomly selected CEO. The average age of CEOs is 56 years. Suppose the variable is normally distributed.

  Continental-style entrees

The owner of a restaurant serving Continental-style entrees has the business objective of learning more about patterns of patron demand for the Friday to Sunday weekend time period.

  Hamburger probability

Because of a recent incident in which a number of people became ill after eating undercooked hamburger meat, intensive interest has centered around the cooking time for hamburger patties.

  Estimate the chance of getting aces

A die is rolled 60 times. An "ace" is the side with one dot. Use the normal approximation to estiate the chance of getting exactly 12 aces.

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