Please help me due ASAP

Mathematics

1 answer:

Nady [450]3 years ago

3 0

A) supplementary angles
B) corresponding angles
C) supplementary angles
D) alternative interior angles
E) vertical angles
F) alternative interior angles
G) corresponding angles
H) alternative interior angles
I) vertical angles
J) alternative interior angles
K) alternative interior angles
L) corresponding angles
M) supplementary angles
N) Alternative interior angles
O) vertical
i think those are correct if not i’m sorry but i’m pretty sure !! :)

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Ede4ka [16]

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3 years ago

There are a total of 84 green cars, 35 blue cars, and 42 red cars parked in the parking lot. How many cars are parked in the par

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4 years ago

Read 2 more answers

A manufacturer produces piston rings for an automobile engine. It is known that ring diameter is normally distributed with σ=0.0

oksian1 [2.3K]

<h2>Answer with explanation:</h2>

The confidence interval for population mean is given by :-

$\overline{x}\pm z^* SE$ (1)

, where $\overline{x}$ = sample mean

z* = critical value.

SE = standard error

and $SE=\dfrac{\sigma}{\sqrt{n}}$ , $\sigma$ = population standard deviation.

n= sample size.

As per given , we have

$\overline{x}=74.021$

$\sigma=0.001$

n= 15

It is known that ring diameter is normally distributed.

$SE=\dfrac{0.001}{\sqrt{15}}=0.000258198889747\approx0.000258199$

By z-table ,

The critical value for 95% confidence = z*= 1.96

A 99% two-sided confidence interval on the true mean piston diameter :

$74.021\pm (2.576) (0.000258199)$ (using (1))

$74.021\pm 0.000665120624$

$74.021\pm 0.000665120624\\\\=(74.021- 0.000665120624,\ 74.021+ 0.000665120624)\\\\=(74.0203348794,\ 74.0216651206)\approx(74.020,\ 74.022)$ [Rounded to three decimal places]