c. For which sample size would I need to knowthat population distribution of X, teacher salaries,is normal in order to answer? Hint for part cd. Assuming a sample size of 68, what is theprobability that the sampling error is within$1000. (In other words, the sample mean is within$1000 of the true mean.) Hint for dHint for e and fe. Assuming a sample size of 68, what is the 90thpercentile for the AVERAGE teacher's salary?f. Assuming that teacher's salaries are normallydistributed, what is the 90th percentile for anINDIVIDUAL teacher's salary? Salaries for teachers in a particular state have amean of $ 42000 and a standard deviation of $6900.Hint for parts a and ba. If we randomly select 15 teachers from thatdistrict, can you determine the samplingdistribution of the sample mean?No CIf yes, what is the name of the distribution?normalThe mean?The standard error?b. If we randomly select 68 teachers from thatdistrict, can you determine the samplingdistribution of the sample mean?If yes, what is the name of the distribution?The mean?The standard error?

given data,μ=42000σ=6900we have to find out the answers for the given distribution

Answered: Salaries for teachers in a particular…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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Salaries for teachers in a particular state have a mean of $ 42000 and a standard deviation of $ 6900.