4 years ago

HELP IN NEXT FIVE MINUTES!!! TRIG. ALL QUESTIONS

Mathematics

1 answer:

choli [55]4 years ago

4 0

Is it too late to answer? I think I can help.

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Pls help asap giving out brainliest and high stars <33 7TH GRADE

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Answer:

1 i think

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32 pt =how many gallons

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There are 45 questions on your math exam. You answered 8/10 of them correctly.how many questions did you answer correctly?

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1 year ago

Use the given level of confidence and sample data to construct a confidence interval for the population proportion p.

Molodets [167]

Answer:

The 95% confidence interval for the population proportion is (0.778, 0.884).

Step-by-step explanation:

We have to calculate a 95% confidence interval for the proportion.

The sample proportion is p=0.831.

The standard error of the proportion is:

$\sigma_p=\sqrt{\dfrac{p(1-p)}{n}}=\sqrt{\dfrac{0.831*0.169}{195}}\\\\\\ \sigma_p=\sqrt{0.00072}=0.027$

The critical z-value for a 95% confidence interval is z=1.96.

The margin of error (MOE) can be calculated as:

$MOE=z\cdot \sigma_p=1.96 \cdot 0.027=0.053$

Then, the lower and upper bounds of the confidence interval are:

$LL=p-z \cdot \sisgma_p = 0.831-0.053=0.778\\\\UL=p+z \cdot \sisgma_p = 0.831+0.053=0.884$

The 95% confidence interval for the population proportion is (0.778, 0.884).

8 0

4 years ago

Please solve this quickly , no links , 13+ points,and brainly on the line . :3

elixir [45]

Answer:

Step-by-step explanation:

F is the answer because in order to have a right triangle you have to have two of the same lengths and one length that is longer than the two that are the same.

Hope this helps!

Have a good day!

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3 years ago