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Margaret [11]
3 years ago
12

Maureen, Frank, Tashia, Zane, Eric, and Wesley are addressing envelopes for volunteer work at a local charity. They were given ¾

of an entire mailing to address to be evenly divided among six of them. What fraction of the entire mailing does each person address?
Mathematics
1 answer:
jolli1 [7]3 years ago
6 0

Answer:

The fraction of the entire mail each person address = 1/8

Step-by-step explanation:

Given that:

number of people addressing envelopes = 6

If they gave out 3/4 of an entire mailing address.

Then, the amount of mailing not addressed is:

= 1 - 3/4

= \dfrac{4-3}{4}

= 1/4

If 6 people shared 3/4 of an entire mailing to address evenly.

Then: each person gets:

=\dfrac{3}{4} \div 6

=\dfrac{3}{4} \times \dfrac{1}{ 6}

= 1/8

The fraction of the entire mail each person address = 1/8

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Answer:

0.192 - 1.645\sqrt{\frac{0.192(1-0.192)}{250}}=0.151

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Step-by-step explanation:

Information given

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In order to find the critical value we need to take in count that we are finding the interval for a proportion, so on this case we need to use the z distribution. Since our interval is at 90% of confidence, our significance level would be given by \alpha=1-0.90=0.1 and \alpha/2 =0.05. And the critical value would be given by:

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