2 years ago

On Monday, it rained 1 1/4 inches. On Tuesday it rained 3/5 inch. How much more did it rain on Monday than on Tuesday.

Mathematics

1 answer:

rosijanka [135]2 years ago

7 0

13/20 :) i can explain if you want me to :)

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Answer: The maximum error = $105.76.

Step-by-step explanation:

Formula to find the maximum error:

$E= z^*\dfrac{\sigma}{\sqrt{n}}$

, where n= sample size.

$\sigma$ = Population standard deviation

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$\overline{x}=1438$

n= 35

$\sigma=269$

For 98% confidence , the significance level = $1-0.98=0.02$

By z-table , the critical value (two -tailed) = $z^* = z_{\alpha/2}=z_{0.01}=2.326$

Now , the maximum error = $E= (2.326)\dfrac{269}{\sqrt{35}}$

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Hence, With 98% confidence level , the maximum error = $105.76.

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