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USPshnik [31]
3 years ago
13

Which one of the following statements is true of perpendicular lines?

Mathematics
1 answer:
miv72 [106K]3 years ago
5 0
A. Thay intersect at one point.
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Need help! Find the interval estimates for those that want to get out earlier and those that want to get out later. Explain how
ivolga24 [154]

Answer:

a) The interval is for those that want to get out earlier is 43 < n < 47 students

b) The interval is for those that want to get out later is 48 < n < 50 students

c) The group that wants to get out of school earlier could win  if those who have no opinion vote with them

Step-by-step explanation:

Given that:

sample size (n) =128

mean = np where p is the probability

a) Probability of those that want to get out earlier = 0.35.

The mean of those that want to get out earlier =  n × probability = 0.35 × 128 = 45

Margin of error = 4% = 0.04 × 45 = 1.8 ≈ 2

Therefore the interval = mean ± Margin of error = 45 ± 2 = (43, 47)

The interval is for those that want to get out earlier is 43 < n < 47 students

b) Probability of those  that want to get out later = 0.39.

The mean  =  n × probability = 0.39 × 128 =  50

Margin of error = 4% = 0.04 × 50 =  2

Therefore the interval = mean ± Margin of error = 50 ± 2 = (48, 52)

The interval is for those that want to get out later is 48 < n < 50 students

c) The group that wants to get out of school earlier could win  if those who have no opinion vote with them

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3 years ago
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Answer:It looks to me like you answered it and made it look like you did not.

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Answerrrrr plzzzzzzzzzzzzzzzzzzzz
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Step-by-step explanation:

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