A politician takes an SRS of 75 citizens in a county to see what proportion of citizens sampled are satisfied with their standard of living. Suppose that 80% of the 118,000 citizens in the county are satisfied with their standard of living. What are the mean and standard deviation of the sampling distribution of the proportion of citizens who are satisfied with their standard of living?

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Answer A-d
Choose 1 answer:
Hp = 0.8
%3D
Op = v 75(0.8)(1 –- 0.8)
Hi = (75)(0.8)
B.
Op = v 75(0.8)(1 – 0.8)
Hộ = (75)(0.8)
0.8(1 0.8)
75
H5 = 0.8
0.8 (1 0.8)
75
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Transcribed Image Text:Choose 1 answer: Hp = 0.8 %3D Op = v 75(0.8)(1 –- 0.8) Hi = (75)(0.8) B. Op = v 75(0.8)(1 – 0.8) Hộ = (75)(0.8) 0.8(1 0.8) 75 H5 = 0.8 0.8 (1 0.8) 75 Stuck? Watch a video or use a hint. Report a problem 4 of 4 . . . O to provide a free, world-class About Math: Pre-K-Bth grade News Math Get reody courses ?X P 16
123667084355651599004012/assignments/teacher/kaid 570905347429149155795 ***
a Šearch
Khan Academy
Mean and standard deviation of sample proportions
A politician takes an SRS of 75 citizens in a county to see what proportion of citizens sampled are satisfied with
their standard of living. Suppose that 80% of the 118,000 citizens in the county are satisfied with their
standard of living.
What are the mean and standard deviation of the sampling distribution of the proportion of citizens who are
satisfied with their standard of living?
Choose 1 answer:
Hp = 0.8
Op = V75(0.8)(1 – 0.8)
Hp = (75)(0.8)
og = v 75(0.8)(1 – 0.8)
Hộ = (75)(0.8)
0.8(1 0.8)
Op = V
75
He = 0.8
0.8 (1-0.8)
4 of 4 . ..O
Check
Math. Pre-K-8th grade
About
n is to provide a free, world-class
Math: Get ready courses
News
loanvons
We ?XP O
Transcribed Image Text:123667084355651599004012/assignments/teacher/kaid 570905347429149155795 *** a Šearch Khan Academy Mean and standard deviation of sample proportions A politician takes an SRS of 75 citizens in a county to see what proportion of citizens sampled are satisfied with their standard of living. Suppose that 80% of the 118,000 citizens in the county are satisfied with their standard of living. What are the mean and standard deviation of the sampling distribution of the proportion of citizens who are satisfied with their standard of living? Choose 1 answer: Hp = 0.8 Op = V75(0.8)(1 – 0.8) Hp = (75)(0.8) og = v 75(0.8)(1 – 0.8) Hộ = (75)(0.8) 0.8(1 0.8) Op = V 75 He = 0.8 0.8 (1-0.8) 4 of 4 . ..O Check Math. Pre-K-8th grade About n is to provide a free, world-class Math: Get ready courses News loanvons We ?XP O
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