Random people from a population of 200 000 were polled about their favourite colour. The results are shown in the table. Colour Frequency Blue 46% Green 14% Purple 12% Red 8% Black 7% Other 13% The current survey results are taken from a survey of 467 randomly selected people aged 18 and older. These results are accurate to within +/- 3.9 percentage points, in 95 out of 100 samples. The confidence interval for the number of people whose favourite colour is red is Select one: a. 8 200 to 23 800 O b. 15 533 to 16 467 16 000 to 31 600 Od. 190 000 to 200 000

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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Random people from a population of 200 000 were polled about
their favourite colour. The results are shown in the table.
Colour
Frequency
Blue
46%
Green
14%
Purple
12%
Red
8%
Black
7%
Other
13%
The current survey results are taken from a survey of 467 randomly
selected people aged 18 and older. These results are accurate to
within +/- 3.9 percentage points, in 95 out of 100 samples.
The confidence interval for the number of people whose favourite
colour is red is
Select one:
Oa. 8 200 to 23 800
O b. 15 533 to 16 467
Oc 16 000 to 31 600
d. 190 000 to 200 00
Transcribed Image Text:Random people from a population of 200 000 were polled about their favourite colour. The results are shown in the table. Colour Frequency Blue 46% Green 14% Purple 12% Red 8% Black 7% Other 13% The current survey results are taken from a survey of 467 randomly selected people aged 18 and older. These results are accurate to within +/- 3.9 percentage points, in 95 out of 100 samples. The confidence interval for the number of people whose favourite colour is red is Select one: Oa. 8 200 to 23 800 O b. 15 533 to 16 467 Oc 16 000 to 31 600 d. 190 000 to 200 00
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