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baherus [9]
3 years ago
6

How can I do this problem?

Mathematics
2 answers:
Airida [17]3 years ago
4 0

Answer:

39

Step-by-step explanation:

65/2.5 then x 1.5

galina1969 [7]3 years ago
3 0

Answer:

39

Step-by-step explanation:

\frac{x}{1.5} =\frac{65}{2.5} \\x=\frac{65}{2.5} \times 1.5=39

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Suppose that the average bill for the drive through of 24 customers at Burger Palace is $14.30. It is known that the population
Mice21 [21]

The standard deviation is a measure of a collection of values' variance or dispersion. The true mean bill for a customer at Burger Palace with 95% confidence is $13.38.

<h3>What is a standard deviation?</h3>

The standard deviation is a measure of a collection of values' variance or dispersion. A low standard deviation implies that the values are close to the set's mean, whereas a high standard deviation shows that the values are spread out over a larger range.

Given that the Sample mean (\overline x) is $14.30, the Sample size(n) is 24 customers, the Standard deviation(σ) is 2.30, while for a 95% confidence interval the Z-score is 1.960. Therefore, the true mean can be written as,

Z = \dfrac{\overline x- \mu}{\frac{\sigma}{\sqrt n}}\\\\\\1.960 = \dfrac{14.30-\mu}{\frac{2.30}{\sqrt{24}}}\\\\\\1.960 = \dfrac{14.3-\mu}{0.47}

μ = 13.3788 ≈ 13.38

Hence,  the true mean bill for a customer at Burger Palace with 95% confidence is $13.38.

Learn more about Standard Deviation:

brainly.com/question/16555520

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5 0
2 years ago
The solution to -5 m = -20 is negative.
lianna [129]
No it's positive since if you multiply both sides by -1 you will get 5m=20 & m=4

Another method -5m =-20, divide both sides by -5, you will get the same positive m =4
3 0
2 years ago
What's the temperature on each thermometer?
elena-14-01-66 [18.8K]

Answer:

98.6°F (37°C)   the highest Six's thermometer that All I know sry

Step-by-step explanation:

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2 years ago
Complete the solution of the equation. Find the<br> value of y when x equals -18.<br> -3x - y = 56
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Step-by-step explanation:

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3 years ago
PLEASE HELP ME ILL GIVE BRAINLIEST SELECT ALL THAT APLY!!!!!!!!!!!!!!!!!!!!!!!
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y\cdot \:2\frac{1}{2} = 2\frac{1}{2}=\frac{2\cdot 2+1}{2}=\frac{5}{2} =\frac{5y}{2}

a) 2y+\frac{1}{2}=\frac{4y+1}{2}

b) 2y+\frac{1}{2}y=\frac{5y}{2}

<h3><em>So b) is the expression that is equivallent.</em></h3><h3><em></em></h3><h3><em></em></h3><h3><em>Hope I helped you!</em></h3><h3><em>Success!</em></h3>
8 0
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