The average daily volume of a computer stock in 2011 was u= 35.1 million shares, according to a reliable source, A stock analyst believes that the stock volume in 2014 is different from the 2011 level. Based on a random sa 30 trading days in 2014, he finds the sample mean to be 28.3 million shares, with a standard deviation of s= 14.1 million shares, Test the hypotheses by constructing a 95% confidence interval. Complete parts (a) through (c) (a) State the hypotheses for the test. = 35.1 million shares + 35.1 million shares (b) Construct a 95% confidence interval about the sample mean of stocks traded in 2014. The lower bound is million shares. The upper bound is (Round to three decimal places as needed.) million shares. Enter your answer in the edit fields and then click Check Answer. Check Answe Clear All 1 part remaining ENG 1124 PM 4/20/2021 P Type here to search
The average daily volume of a computer stock in 2011 was u= 35.1 million shares, according to a reliable source, A stock analyst believes that the stock volume in 2014 is different from the 2011 level. Based on a random sa 30 trading days in 2014, he finds the sample mean to be 28.3 million shares, with a standard deviation of s= 14.1 million shares, Test the hypotheses by constructing a 95% confidence interval. Complete parts (a) through (c) (a) State the hypotheses for the test. = 35.1 million shares + 35.1 million shares (b) Construct a 95% confidence interval about the sample mean of stocks traded in 2014. The lower bound is million shares. The upper bound is (Round to three decimal places as needed.) million shares. Enter your answer in the edit fields and then click Check Answer. Check Answe Clear All 1 part remaining ENG 1124 PM 4/20/2021 P Type here to search
MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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 alt="The average daily volume of a computer stock in 2011 was u = 35.1 million shares, according to a reliable source. A stock analyst believes that the stock volume in 2014 is different from the 2011 level. Based on a random sample of
30 trading days in 2014, he finds the sample mean to be 28.3 million shares, with a standard deviation of s= 14.1 million shares, Test the hypotheses by constructing a 95% confidence interval. Complete parts (a) through (c) below.
(a) State the hypotheses for the test.
Ho: H
= 35.1 million shares
+ 35.1 million shares
(b) Construct a 95% confidence interval about the sample mean of stocks traded in 2014.
The lower bound is
million shares.
The upper bound is
(Round to three decimal places as needed.)
million shares.
Enter your answer in the edit fields and then click Check Answer.
1 part
remaining
Clear All
Check Answe
P Type here to search
1124 PM
4/20/2021
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Transcribed Image Text:The average daily volume of a computer stock in 2011 was u = 35.1 million shares, according to a reliable source. A stock analyst believes that the stock volume in 2014 is different from the 2011 level. Based on a random sample of
30 trading days in 2014, he finds the sample mean to be 28.3 million shares, with a standard deviation of s= 14.1 million shares, Test the hypotheses by constructing a 95% confidence interval. Complete parts (a) through (c) below.
(a) State the hypotheses for the test.
Ho: H
= 35.1 million shares
+ 35.1 million shares
(b) Construct a 95% confidence interval about the sample mean of stocks traded in 2014.
The lower bound is
million shares.
The upper bound is
(Round to three decimal places as needed.)
million shares.
Enter your answer in the edit fields and then click Check Answer.
1 part
remaining
Clear All
Check Answe
P Type here to search
1124 PM
4/20/2021
BANG OLUFSEN
144
inort se
delete
home
end
pg up
pg dn
esc
24
4
%23
%
8.
9
num
lock
2
3
7
+ backspace
W
T
Y
U
home
pg up
K
4
enter
caps lock
A
pause
1 shift
1
3.
end
pg dn
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