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frez [133]
3 years ago
15

I need help finding the angle measurements and side lengths.

Mathematics
2 answers:
Musya8 [376]3 years ago
7 0

Answer:

2 angles ( right angle and acute angle )

3 sides ( Hypotenuse, opposite, and adjacent )

Katen [24]3 years ago
5 0

Answer:

right triangle

isosceles triangle

Step-by-step explanation:

The  box in the corner means that this triangle is a right triangle.  It is a 90 degree angle

We know this is an isosceles triangle since the two sides have the lines  on them.  Those marks means it has the same side length.

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Out of a sample 650 high school students, 321 take the bus to school every day. construct a 99% confidence interval for the popu
gtnhenbr [62]

A 99% confidence interval for the population mean of high school students that take the bus to school every day is b) ci=(44.34%, 54.43%)

We need to find the 99% confidence interval for the population mean of high school students that take the bus to school everyday

A confidence interval is a range of estimates for an unknown parameter. The confidence interval is calculated at the specified confidence level; the most common is the 95% confidence level, but sometimes other levels are used, such as 90% or 99%.

The confidence interval of proportions is given by:

π ± z √(π (1-π) /n)

π is the sample proportion.

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n is the sample size.

For 99% confidence interval the value of z is 2.58

π = 321/650

The confidence interval is given by

=321/650 ± 2.58 √( (321/650) × [ 1 - (321/650) ] ÷ 650)

= (0.493846 ± 0.050594)

=(0.4434 , 0.5443)

=(44.34 % , 54.43 %)

Hence a 99% confidence interval for the population mean of high school students that take the bus to school every day is ci=(44.34%, 54.43%)

<u>Learn more about confidence interval:</u>

brainly.com/question/28052710

# SPJ4

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