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3 years ago

Cheeseburgers are two for $5.00. How much would 5 cheeseburgers cost?

Mathematics

2 answers:

stiv31 [10]3 years ago

6 0

Answer:

5 cheeseburgers would be 12.50

Step-by-step explanation:

5 / 2 is 2.50 , 2.50 for one cheeseburger times 5 is 12.50

Elan Coil [88]3 years ago

3 0

Answer: If two cheeseburgers are $5 the then one cheeseburger is 2.50

So 2.50 x 5 is 12.50

So it's 12.50 for 5 cheeseburgers

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Use the sample data and confidence level to construct the confidence interval estimate of the population proportion p. n equals

Alekssandra [29.7K]

Answer:

(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.

whereas p=x/n

We are given that x=440 and n=550.

p=440/550=0.8

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

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

$0.8-1.96\sqrt{0.00029 }$

$0.8-1.96(0.01706)$

$0.8-0.03343$

$0.76657$

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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Answer:

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Step-by-step explanation:

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Will is asked to simplify the expression below. 7x - 2(x + 3y) + 3y He states that the simplified expression is 5x + 9y because

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Answer: See explanation

Step-by-step explanation:

7x - 2(x + 3y) + 3y

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= 5x - 3y

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