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2 years ago

Find the measure of arc UT Given a.168 b.192 c.84 d.96

Mathematics

2 answers:

Juliette [100K]2 years ago

4 0

Answer:

is there supossed to be a picture?

Step-by-step explanation:

Sveta_85 [38]2 years ago

4 0

Answer:

Can you please give us a picture!

Step-by-step explanation:

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Rosetta wants to estimate the percentage of people who rent their home. She surveys 250 individuals and finds that 48 rent their

Andreas93 [3]

Answer:

$0.192 - 1.645\sqrt{\frac{0.192(1-0.192)}{250}}=0.151$

$0.192 + 1.645\sqrt{\frac{0.192(1-0.192)}{250}}=0.233$

Step-by-step explanation:

Information given

$X= 48$ number of people who rent their home

$n= 250$ represent the sample size

$\hat p =\frac{48}{250}= 0.192$ represent the proportion of people who rent their home

In order to find the critical value we need to take in count that we are finding the interval for a proportion, so on this case we need to use the z distribution. Since our interval is at 90% of confidence, our significance level would be given by $\alpha=1-0.90=0.1$ and $\alpha/2 =0.05$ . And the critical value would be given by:

$z_{\alpha/2}=\pm 1.645$

The confidence interval for the mean is given by the following formula:

$\hat p \pm z_{\alpha/2}\sqrt{\frac{\hat p (1-\hat p)}{n}}$

If we replace the values obtained we got:

$0.192 - 1.645\sqrt{\frac{0.192(1-0.192)}{250}}=0.151$

$0.192 + 1.645\sqrt{\frac{0.192(1-0.192)}{250}}=0.233$

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melomori [17]

Answer:

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Using the given postulate, tell which parts of the pair of triangles should be shown congruent.

weqwewe [10]

Answer:

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Step-by-step explanation:

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What is the equation of the line that passes through the points (15, 9) and (Negative 2, 9)? y =

Bad White [126]

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2 years ago

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