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Katen [24]
3 years ago
14

Charlie buys a cake for $23.99 and 6 bags of balloons. About how much money does he spend?

Mathematics
2 answers:
Yuri [45]3 years ago
7 0
<span>47.69 is his cost amount</span>
ruslelena [56]3 years ago
6 0
6 baloons
6 times 3.95 is 23.7
so total is cake+ballons=23.99+23.7=47.69

total is $47.69
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The number of gallons of carbonated soft drink consumed per person annually is normally distributed with mean 47.5 and standard
8_murik_8 [283]

Answer:

P(45

And we can find this probability with the following difference:

P(-0.714

And in order to find these probabilities we can use tables for the normal standard distribution, excel or a calculator.  

P(-0.714

Step-by-step explanation:

Previous concepts

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".

The Z-score is "a numerical measurement used in statistics of a value's relationship to the mean (average) of a group of values, measured in terms of standard deviations from the mean".  

Solution to the problem

Let X the random variable that represent the number of gallons of a population, and for this case we know the distribution for X is given by:

X \sim N(47.5,3.5)  

Where \mu=47.5 and \sigma=3.5

We are interested on this probability

P(45

And the best way to solve this problem is using the normal standard distribution and the z score given by:

z=\frac{x-\mu}{\sigma}

If we apply this formula to our probability we got this:

P(45

And we can find this probability with the following difference:

P(-0.714

And in order to find these probabilities we can use tables for the normal standard distribution, excel or a calculator.  

P(-0.714

5 0
3 years ago
Please answer question. I need some math to explain the answer, not just the answer. Ignore my work, that was wrong. Please help
Virty [35]
The correct answer to your question is number 2
3 0
3 years ago
430x30 pls reply quickkkkk
Anna11 [10]

Answer:

12900

Step-by-step explanation:

umm first you write down the number of zeros (but only the zeros at last if a zero comes in middle or between other numbers, then you must have to multiply it) and then multiply the remaining numbers. I am not good at explaining. ;)

5 0
3 years ago
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3 0
3 years ago
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dezoksy [38]

Answer:

it is D hope this helps

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
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