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vazorg [7]
2 years ago
13

Share £40 in the ratio 1:2:5

Mathematics
1 answer:
e-lub [12.9K]2 years ago
3 0
5:10:25. 1+2+5=8÷40=5×1=5. 5×2=10. 5×5=25 so 5:10:25
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Answer:

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From the question we are told that

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Given that the confidence level is 95%  then the level of significance is mathematically represented as

        \alpha =  (100  - 95)\%

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Generally the margin of error is mathematically represented as

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The 95% confidence interval is mathematically represented as

        \= x  -E <  \mu <  \= x  +E

=>   77 -  1.96  <  \mu < 77 +  1.96

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