ers to at least 4 decimal places and round intermediate z-value calculations to 2 decimal places. rt 1 of 2 hat is the probability that a randomly selected teacher's salary is greater than $39,600? P(X> 39,600) = 0.2061 rt: 1/2 rt 2 of 2 r a sample of 85 teachers, what is the probability that the sample mean is greater than $35,653? Assume that the sample is taken from a large pulation and the correction factor can be ignored

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
icon
Related questions
Question
Teachers' Salaries in North Dakota The average teacher's salary in North Dakota is $35,441. Assume a normal distribution with o=$5100. Round the final
answers to at least 4 decimal places and round intermediate z-value calculations to 2 decimal places.
Part 1 of 2
What is the probability that a randomly selected teacher's salary is greater than $39,600?
P(X> 39,600)
0.2061
Part: 1 / 2
Part 2 of 2
=
For a sample of 85 teachers, what is the probability that the sample mean is greater than $35,653? Assume that the sample is taken from a large
population and the correction factor can be ignored.
P(X > 35,653) =
=
X
Ś
Transcribed Image Text:Teachers' Salaries in North Dakota The average teacher's salary in North Dakota is $35,441. Assume a normal distribution with o=$5100. Round the final answers to at least 4 decimal places and round intermediate z-value calculations to 2 decimal places. Part 1 of 2 What is the probability that a randomly selected teacher's salary is greater than $39,600? P(X> 39,600) 0.2061 Part: 1 / 2 Part 2 of 2 = For a sample of 85 teachers, what is the probability that the sample mean is greater than $35,653? Assume that the sample is taken from a large population and the correction factor can be ignored. P(X > 35,653) = = X Ś
Expert Solution
Step 1: Given Information

Given that

m e a n left parenthesis mu right parenthesis space equals space $ 35441
s tan d a r d space d e v i a t i o n left parenthesis sigma right parenthesis space equals space $ 5100
w e space n e e d space t o space f i n d space t h e space f o l l o w i n g space p r o b a b i l i t i e s space b y space u sin g space z space s c o r e s

steps

Step by step

Solved in 3 steps with 3 images

Blurred answer
Similar questions
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman