ull JO 100 4G4:59 PMO 50%Quiz #3 Stat7. A random sample of size 225 is drawnfroma population with mean 100and standard deviation of 20.Find the mean and the variance of thesample mean:(1 Point)*O Hi = 0, o = 1100, o = 1.78O Hi = 1.78, o = 100100, o = 1.33%|8. If X is Normal distributed, with mean=µ,and standard deviation=Do.Then for a random sampleof size 25, the value of: *

Given that the population mean=100 And standard deviation=20 n=sample size=225

Answered: 7. A random sample of size 225 is drawn…

7. A random sample of size 225 is drawn from a population with mean 100 and standard deviation of 20. Find the mean and the variance of the sample mean:

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Question

ull JO 100 4G
4:59 PM
O 50%
Quiz #3 Stat
7. A random sample of size 225 is drawn
from
a population with mean 100
and standard deviation of 20.
Find the mean and the variance of the
sample mean:
(1 Point)
*
O Hi = 0, o = 1
100, o = 1.78
O Hi = 1.78, o = 100
100, o = 1.33
%|
8. If X is Normal distributed, with mean=µ,
and standard deviation=Do.
Then for a random sample
of size 25, the value of: *

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