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FromTheMoon [43]
2 years ago
13

Given that

Mathematics
1 answer:
fiasKO [112]2 years ago
5 0

The ratio of a : b : c in its simplest form is 5 : 12 : 30 respectively

<h3>How to solve ratio?</h3>

  • a : c = 1 : 6
  • b : c = 2 : 5

So,

a / b = 1/6

b/c = 2/5

  • lowest common multiple of c in both ratio

1/6 + 2/5

=(5 + 12) /30

a : b and b : c

= 5/30 and 12/30

Therefore,

a : b : c = 5 : 12 : 30

Learn more about ratio:

brainly.com/question/2328454

#SPJ1

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below

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(3 points) A survey of 15651565 people who took trips revealed that 178178 of them included a visit to a theme park. Based on th
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Answer:

We fail to reject the null hypothesis at 0.05 significance level. We cannot say that less than 12% of trips include a theme park visit.  

Step-by-step explanation:

let p be the proportion of trips included a visit to a theme park.

H_{0}: p=0.12

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To test, we need to calculate test statistic of the sample proportion as:

z=\frac{p(s)-p}{\sqrt{\frac{p*(1-p)}{N} } } where

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