3 years ago

You can determine by the discriminant whether the solutions to the equation are real or _______ numbers.

Mathematics

1 answer:

True [87]3 years ago

5 0

I think the answer would have to be complex

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Step-by-step explanation:

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1 year ago

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wolverine [178]

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2 years ago

irinina [24]

But, the y intercept is 2.

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Nielsen ratings are based on televisions in 50005000 households. Nielsen estimates that 12 comma 00012,000 people live in these

avanturin [10]

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We are 95% confident that the true proportion of TV audience is between 65.15% and 65.85%

Step-by-step explanation:

-From the given information, $\hat p=0.65$ .

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

So, the 95% confidence interval is (0.6515,0.6585).

Hence, we are 95% confident that the true proportion of TV audience is between 65.15% and 65.85%.

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3 years ago

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lesya692 [45]

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