2 years ago

7 1/2 divided by 3 1 /8

Mathematics

1 answer:

FinnZ [79.3K]2 years ago

6 0

Answer:

2.4 or 2 2/5

Step-by-step explanation:

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$CI=\hat p\pm z \sqrt{\frac{\hat p(1-\hat p)}{n}}\\\\\\=0.65\pm 1.96\times \sqrt{\frac{0.65\times 0.35}{12000}}\\\\\\=0.65\pm 0.0085\\\\\\=[0.6415,0.6585]$

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