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Elena-2011 [213]
3 years ago
9

True or false m angle 1 <m angle 7​

Mathematics
1 answer:
tankabanditka [31]3 years ago
5 0

Answer:

False

Step-by-step explanation:

There might be a chance I am wrong though sorr for the inconvinience

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Each year, all final year students take a mathematics exam. It is hypothesized that the population mean score for this test is 8
drek231 [11]

Answer:

95% Confidence interval:  (96.06,103.94)

Step-by-step explanation:

We are given the following in the question:

Population mean, μ = 85

Sample mean, \bar{x} = 100

Sample size, n = 30

Alpha, α = 0.05

Population standard deviation, σ = 11

95% Confidence interval:

\mu \pm z_{critical}\frac{\sigma}{\sqrt{n}}

Putting the values, we get,

z_{critical}\text{ at}~\alpha_{0.05} = 1.96

100 \pm 1.96(\frac{11}{\sqrt{30}} ) = 100 \pm 3.94= (96.06,103.94)

(96.06,103.94) is the 95% confidence interval for  the population mean test score.

8 0
3 years ago
, use a number line. Start at 0. Move forward 5 and then back up 7. How many yards must he get to get back to 0?
krek1111 [17]

Answer:

2 yards.

Step-by-step explanation:

If you do what was stated in the problem, you would be left at -2. So, you would need to move up 2 yards to get back to 0.

8 0
3 years ago
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Madison made the following table to record the height of each person in her family.
andrew11 [14]
The answer should be number 4
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What is 160 ÷ 55 in the numerous fraction?​
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160/55.
Simplified version is 32/11
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