Normally distributed population with a mean

Assignment Help Basic Statistics
Reference no: EM1396686

Assume that a population is normally distributed with a mean of 100 and a standard deviation of 15. Would it be unusual for the mean of a sample of 3 to be 115 or more? Why or why not?

Reference no: EM1396686

Questions Cloud

What mutagens can be used to revert mutants to wild type : What mutagens can be used to revert mutants to wild type with a hydroxylamine mutation?
Time series and forecasting : Victor Anderson, the owner of Anderson Belts, Inc., is studying absenteeism among his employees. His workforce is small, consisting of only five employees.
What does this have to do with lac- : Can someone explain replica plating in detail regarding xgal and xgal + iptg? I am studying for an exam and am very confused. I have in my notes something about mutations turn xgal +iptg blue when its supposed to be white and wild type should be x..
Analysis of the hold up problem : What does the analysis of the 'hold up' problem contribute to the explanation of the size and scope of firms?
Normally distributed population with a mean : Assume that a population is normally distributed with a mean of 100 and a standard deviation of 15. Would it be unusual for the mean of a sample of 3 to be 115 or more? Why or why not?
List properties of those materials that made them suitable : Identify two materials (biomaterials) used in the development of bioengineered products (for example, polycaprolactone, collagen).
Prediction of sat by regression approch : The correlation between IQ and the verbal SAT score among the seniors at GWB High School is .90; it is significant. The mean IQ is 100 with a standard deviation of 10.
Pseudo code for recursive function to print prime numbers : Write in pseudo code the recursive function which receive 2 integers (a and b) and returns sum of all common prime dividers (1 is not prime).
Determine the solubility of the amino acids : Butanol:Water:Glacial Acetic Acid (65:20:15) was used as TLC solvent, where the stationary phase was silica. The TLC was done for identification of amino acids.

Reviews

Write a Review

Basic Statistics Questions & Answers

  Evaluate the confidence interval for the slope

each person received was determined by randomization. For each person who was sent one of the surveys, the researcher recorded whether or not a completed survey was returned.

  Performing the appropriate hypothesis test

She then selects a sample of 102 football players and finds that their average math SAT is 460. Use alpha =.01 to perform the appropriate hypothesis test.

  Primary and secondary research

How would managers find benefit in helping them to obtain valuable information in problem identification research. Discuss whether these data are secondary or primary and justify your answers

  Explain how much should the airport authority

Explain how much should the airport authority be willing to pay for perfect information about the success of a brand new airport.

  Probability that a student worked a part time job

What was the probability that a student worked a part time job or made the Dean's list. Interpret the results.

  Value of test statistic for statewide real estate company

A statewide real estate company specializes in selling farm property in the state of Nebraska. Their records indicate that the mean selling time of farm property is 90 days.

  To find variance and standard deviation

What is the relationship between the variance and the standard deviation?

  Determining least squares regression line for data

Using equation presented calculate SST,SSE and SSr. Determine least squares regression line for this data.

  Determining sampling distribution of proportion

According to a well-known newspaper journal, 58.3% of the 222,900 households in particular county get the Sunday edition of local newspaper. Assume that random samples of 200 households are selected.

  Linear regression model was fitted to a sample

This linear regression model was fitted to a sample of size 50 to produce the following regression equation: yhat = 145 + 1.2x1 + 300x2.

  Assumptions of t distribution and normal distribution

Assume the population is normally distributed, the confidence level is 95%, n = 12, and σ is unknown.

  Probability for student with master-s degree in english

Compute the probability that randomly chosen student with a Master's degree majored in English or mathematics?

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