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Flauer [41]
2 years ago
4

Pepper Jackie used a precision hydrometer to perform an experiment to local restaurants to determine which restaurant uses the m

ost sugar in their beverages. She randomly tested 15 different types of beverages at each location to perform the conversion to calculate the amount of sugar in grams. The results of the experiment are displayed in the box plots below. Which description most accurately summarizes the sample results?

Mathematics
2 answers:
andre [41]2 years ago
8 0

Answer:

its a the answer is A

Step-by-step explanation:

zlopas [31]2 years ago
5 0

Answer:

Both have about the same range of sugar,but Jim's jint uses more sugar overall.

Step-by-step explanation:

We will compare the sugar content of both the juice bars:

Jim's juice joint

65,65,65,66,66,67,69,72,73,75,75,78,80,82,85

The Zest nest

22,25,25,28,30,32,35,35,35,40,42,42,44,45,46

We can see that The zest nest uses less sugar than the Jim's joint.

There are 2 options that seem correct.

The Zest nest is more consistent in their use of sugar in their beverages, and uses less sugar than Jim's juice joint overall.

There can also be another answer that seems true. The first one.

If we see the range, the Jim's variations is 85-65=20 and zest's variation is 46-22=24 which is very close to each other. But overall Jim's uses more sugar.

So, the answer will be the first one. Now, I'll take the first one to be true.

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The width of a red blood cell is approximately 8 micrometers, which is 8 x 10-6 meter. Give your answers to the questions below
Alex73 [517]

Answer:

A. 756

B. 69.44 or 62.5

Step-by-step explanation:

To get the answer for B you first convert 0.5mm to micrometers.

0.5 millimeters = 500 micrometers

Now, we divide 500 by 8

500 ÷ 8 = 62.5

To get the exact result, we divide 500 by 7.2

500 ÷ 7.2 = 69.44

5 0
2 years ago
Read 2 more answers
HELP! Consider the function represented by the graph. On a coordinate plane, a straight line with a negative slope begins on the
ch4aika [34]

Answer:

{ x | x ≥ 0 }

Step-by-step explanation:

Given,

There is a straight line started from (0, 9) and passes through (8, 1),

∵ In the coordinate plan, the values of x are arranged in increasing order to the right side of the y-axis,

Thus, the line is defined for all real values of x greater than 0,

Hence, Domain of the line = All real numbers greater than equal to 0,

i.e. { x | x ≥ 0 }

Thus, FIRST OPTION is correct.

7 0
2 years ago
Read 2 more answers
Given the vectors, a=3i+4j, b=-2i+5j, c=10i-j, d=-1/3i+5/2j, find -0.4a-0.3b+0.2d=?
sveta [45]

Answer:

-\frac{2}{3}i - \frac{13}{5}j

Step-by-step explanation:

-0.4(3i + 4i) - 0.3(-2i + 5j) + 0.2(-\frac{1}{3}i + \frac{5}{2}j)

-1.2i - 1.6j + 0.6i - 1.5j - \frac{0.2}{3}i + 0.5j

Converting to fraction form;

-\frac{6}{5}i + \frac{3}{5}i - \frac{1}{15}i - \frac{8}{5}j - \frac{3}{2}j + \frac{1}{2} j

<u>Solving the i part;</u>

\frac{-18i + 9i - i}{15} = -\frac{2}{3}i

<u>Solving the j part;</u>

\frac{-16j-15j+5j}{10} = -\frac{13}{5}j

So -0.4a - o.3b + 0.2d =  -\frac{2}{3}i - \frac{13}{5}j

6 0
2 years ago
Arthur wrote that 15 – 14.7 = 3.
PilotLPTM [1.2K]
3 is incorrect because 14.7 + 3 = 17.7
The answer of 15 - 14.7 = 0.3
8 0
2 years ago
A company produces precision 1 meter (1000 mm) rulers. the actual distribution of lengths of the rulers produced by this company
pogonyaev

Let X be the length of rulers. X follows Normal distribution with mean μ and standard deviation σ = 0.02. A sample of size n=4 is drawn from population and sample mean m=1000. We have to find 90% confidence interval for population mean μ.

Here population standard deviation is given to us so we will use z confidence interval for mean. It is given as

(Sample mean - Margin of error , Sample mean + Margin of error)

Where margin of error for z confidence interval is

ME = σ \frac{z_{\alpha/2}}{\sqrt{n}}

Where σ = population standard deviation = 0.02

n= sample size =4

z_{\alpha/2} = Critical z score value for given confidence level

We have to find here 90% confidence interval so confidence level c= 0.9

α = 1 -c =1-0.9 = 0.1

z_{\alpha/2} = z_{0.1/2} = z_{0.05}

Here we have to find z score value such that area below it is -z is 0.05 and above z is 0.05

Using excel function to find z score value

=NORM.S.INV(0.05) = -1.645

For calculating confidence interval we consider positive z score value which is 1.645

So the margin of error is

ME = \frac{0.02 * 1.645}{\sqrt{4}}

ME = 0.01645

90% confidence interval for mean is

(Sample mean - ME, Sample mean+ME)

1000- 0.01645, 1000+0.01645

(1000.01645, 999.9836)

Rounding interval upto 3 decimal places

(1000.016, 999.984)

90% confidence interval for population mean is (1000.016, 999.984)

7 0
2 years ago
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