4 years ago

Jailed has 60 dimes and 60 nickels

Mathematics

1 answer:

Ivenika [448]4 years ago

5 0

Answer:

75 cents

Step-by-step explanation:

60 dimes is 600 cents or $6, 60 nickels is 300 cents or $3. when we add them together we have $9 and we need 9.75 so we need 75 cents more.

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we are given

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so,

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we know that

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and

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If confidence level is 95%, then we can multiply by 1.96

so, we can multiply by 2 to get ME

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now, we can plug values

and we get

$ME=\frac{2\times 7.5 }{\sqrt{235} }$

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