3 years ago

What combination of transformations is shown below ?

Mathematics

2 answers:

sladkih [1.3K]3 years ago

7 0

Answer:

I think it is rotation, then reflection

Sloan [31]3 years ago

6 0

Answer:

Translation then Reflection

Step-by-step explanation:

Step 1 to 2 is Translation

Step 2 to 3 is Reflection

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Answer: a) (176.76,172.24), b) 0.976.

Step-by-step explanation:

Since we have given that

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we need to find the 98% confidence interval.

So, z = 2.326

(a) Construct a 98% confidence interval for the mean height of all college students.

$x\pm z\times \dfrac{\sigma}{\sqrt{n}}\\\\=(174.5\pm 2.326\times \dfrac{6.9}{\sqrt{50}})\\\\=(174.5+2.26,174.5-2.26)\\\\=(176.76,172.24)$

(b) What can we assert with 98% confidence about the possible size of our error if we estimate the mean height of all college students to be 174.5 centime- ters?

Error would be

$\dfrac{\sigma}{\sqrt{n}}\\\\=\dfrac{6.9}{\sqrt{50}}\\\\=0.976$

Hence, a) (176.76,172.24), b) 0.976.

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