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3 years ago

If Mrs.Burks spent 3.87 on grapez at kroger and bought 3.05 pounds,how much was each pound

Mathematics

1 answer:

pashok25 [27]3 years ago

4 0

Answer:

1.26885245902 or rounded to $1.27 per pound.

Step-by-step explanation:

you can just divide 3.87/3.05 to see how much each pound costed. if you needed to round to the nearest cent, you would round up to 1.27.... or if not, keep it at 1.26885245902.

then to check your work, you can just multiply (1.26885245902) by (3.05) to get the total amount she had spent.

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A national survey of 2000 adult citizens of a nation found that 24% dreaded Valentine's Day. The margin of error for the surve

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Answer:

The correct option is (A).

Step-by-step explanation:

The (1 - <em>α</em>)% confidence interval for the population proportion is:

$CI=\hat p \pm MOE$

The information provided is:

$\hat p$ = 0.24

MOE = 0.089

The 85% confidence interval for the population proportion of adults who dreaded Valentine's Day is:

$CI=\hat p \pm MOE$

$=0.24\pm 0.089\\=(0.151, 0.329)$

So, the 85% confidence interval for the population proportion of adults who dreaded Valentine's Day is (0.151, 0.329).

The (1 - <em>α</em>)% confidence interval for population parameter implies that there is a (1 - <em>α</em>) probability that the true value of the parameter is included in the interval.

Or, the (1 - <em>α</em>)% confidence interval for the parameter implies that there is (1 - <em>α</em>)% confidence or certainty that the true parameter value is contained in the interval.

So, the 85% confidence interval for the population proportion, (0.151, 0.329), implies that there is 85% confidence that the proportion of the adult citizens of the nation that dreaded Valentine's Day is between 0.151 and 0.329.

Or there is 0.85 probability that the true proportion of the adult citizens of the nation that dreaded Valentine's Day is between 0.151 and 0.329.

Thus, the correct option is (A).

7 0

3 years ago

HELP ASAP PLEASE! THANKS!!!

Vika [28.1K]

Using it's concept, the range of the function is given by:

y ≥ 1

<h3>What is the range of a function?</h3>

The range of a function is composed by the set that contains all output values for the function. Considering the graph of the function, the range is given by all the values of y, which compose the vertical axis of the graph.

Looking at this graph, the function assumes values of 1 and greater, hence the range of the function is given by:

y ≥ 1.

More can be learned about the range of a function at brainly.com/question/10891721

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1 year ago

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mariarad [96]

Answer:

its the one with the math abatic order you see its h h but the one on the right is correct

Step-by-step explanation:

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3 years ago

Based on past experience, a building contractor sets the

Leni [432]

Based on the cost of the contract and the probability to win it, the total expected value of the contract proposal is -$2500.

<h3>How to calculate the expected value of a contract proposal?</h3>

The general formula to calculate the expected value is:

Expected value: possibility of winnind the contract x the amount when winning - possibility of loing the contract x possible loss

Possibility of winning the contract= 0.10
Possibility of losing the contract = 0.90
Gain: $65000
Loss: $10000

<h3>What is the expected value of the contract?</h3>

Expected value: 0.10 x 65000 - 0.90 x 10000
Expected value: 6500 - 9000
Expected value: -$2500

Learn more about contract in: brainly.com/question/2669219

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3 years ago

How do you know that 1.026÷5.051≠0.02 without doing the division?

OLga [1]

Answer:

Mental Math and Logic

Step-by-step explanation:

You might not have access to a calculator, so when times comes like this when you have to validate a statement if wrong or right, mental math comes in help.

You only need the approximate number to do something like mental math. Both numbers divided by each other, is really close to their whole numbers of 1 and 5, respectively. If you divide 1/5, you get 0.2, which is not what the answer is. 0.02 and 0.2 are very different answers, and you would not get 0.02 no matter how many decimals after that 1.0 and 5.0.

Which means the statement is not true based on logic and mental math.

4 0

2 years ago

If Mrs.Burks spent 3.87 on grapez at kroger and bought 3.05 pounds,how much was each pound​

If Mrs.Burks spent 3.87 on grapez at kroger and bought 3.05 pounds,how much was each pound