2 years ago

Mariah just read the following passage in a short story:

Mathematics

2 answers:

maks197457 [2]2 years ago

6 0

The answer is D. Enlargement

Nana76 [90]2 years ago

3 0

Answer:

D. enlargement

Step-by-step explanation:

enlargement means to increase something

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(0.767,0.833)

Step-by-step explanation:

The 95% confidence interval for population proportion p can be computed as

$p-z_{\frac{\alpha }{2} } \sqrt{\frac{pq}{n} }$

The z-value associated with 95% confidence level is 1.96.

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$0.8-1.96\sqrt{\frac{0.8(0.2)}{550} }$

$0.8-1.96\sqrt{\frac{0.16}{550} }$

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Thus, the required confidence interval is

0.767<P<0.833 (rounded to 3 decimal places)

Hence, we are 95% confident that our true population proportion will lie in the interval (0.767,0.833)

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