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amm1812
3 years ago
15

What is the approximate length of arc s on the circle below? use 3.14 for . round your answer to the nearest tenth. 14.1 in. 22.

5 in. 42.3 in?

Mathematics
2 answers:
Maksim231197 [3]3 years ago
5 0
I FOUND YOUR COMPLETE QUESTION IN OTHER SOURCES.
 PLEASE SEE ATTACHED IMAGE.

 The length of an arc, by definition is given by:
 s = R * theta
 Where,
 R: radio
 theta: angle of the bow.
 We then have to replace:
 s = (6) * (135 * (pi / 180))
 s = 14.1 in
 Answer:
 The length of the arc s is:
 s = 14.1 in

blondinia [14]3 years ago
3 0

Answer:

A.14.1 in

Step-by-step explanation:

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Step-by-step explanation:

Information given

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X=81 represent the number of people with type A blood

\hat p=\frac{81}{144}=0.5625 estimated proportion of  people with type A blood

p_o=0.4 is the value that we want to verify

\alpha=0.01 represent the significance level

z would represent the statistic

p_v{/tex} represent the p value Hypothesis to testWe want to test if the percentage of the population having type A blood is different from 40%.:  Null hypothesis:[tex]p=0.4  

Alternative hypothesis:p \neq 0.4  

the statistic is given by:

z=\frac{\hat p -p_o}{\sqrt{\frac{p_o (1-p_o)}{n}}} (1)  

Replacing the info given we got:

z=\frac{0.5625 -0.4}{\sqrt{\frac{0.4(1-0.4)}{144}}}=3.98  

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p_v =2*P(z>3.98)=0.0000689  

Since the p value is very low compared to the significance level we have enough evidence to reject the null hypothesis and we can conclude that the true percent of people with type A of blood is significantly different from 0.4 or 40%

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