A simplé random sample of size n=81 is obtained from a population with u= 84 and o=9. %3D (a) Describe the sampling distribution of x. (b) What is P (x>85.65)? (c) What is P (xs81.5)? (d) What is P (82.65
A simplé random sample of size n=81 is obtained from a population with u= 84 and o=9. %3D (a) Describe the sampling distribution of x. (b) What is P (x>85.65)? (c) What is P (xs81.5)? (d) What is P (82.65
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 22E
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A simple random sample of size n=81 is obtained from a population with u= 84 and o=9.
(a) Describe the sampling distribution of x.
(b) What is P (x > 85.65)?
(c) What is P (xs81.5)?
(d) What is P (82.65 <x< 85.65) ?
Plan
ebook
Crunch
pter Contents
O A. The distribution is skewed left.
O B. The distribution is uniform.
xt
C. The distribution is approximately normal.
O D. The distribution is skewed right.
ols for Success
O E. The shape of the distribution is unknown.
ultimedia Library
Find the mean and standard deviation of the sampling distribution of x.
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Save
nt Activity
pook
A simple random sample of size n=81 is obtained from a population with u= 84 and o=9.
(a) Describe the sampling distribution of x.
(b) What is P (x > 85.65)?
(c) What is P (xs81.5)?
(d) What is P (82.65 <x< 85.65) ?
Plan
ebook
Crunch
pter Contents
O A. The distribution is skewed left.
O B. The distribution is uniform.
xt
C. The distribution is approximately normal.
O D. The distribution is skewed right.
ols for Success
O E. The shape of the distribution is unknown.
ultimedia Library
Find the mean and standard deviation of the sampling distribution of x.
urchase Options
氏=
Discussions
Course Tools
Clear all
Check a
P Pearson
55°F
Rain
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