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olya-2409 [2.1K]
3 years ago
6

Please help due tomorrow

Mathematics
1 answer:
Law Incorporation [45]3 years ago
4 0

You would convert the mixed numbers into improper fractions because then you have it in an easier place to solve. You can easily solve by multiplying the numerators and then the denominators. Multiplying mixed numbers have a few extra steps then multiply improper fractions.


(if this is wrong I'm sorry. I've answered to the best of my ability)

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A nutrition laboratory wants to construct a 95% confidence interval for the mean sodium content of "reduced sodium" hot dogs. A
tatuchka [14]

Answer:

n > 96

Therefore, the number of samples should be more than 96 for the width of their confidence interval to be no more than 10mg

Step-by-step explanation:

Given;

Standard deviation r= 25mg

Width of confidence interval w= 10mg

Confidence interval of 95%

Margin of error E = w/2 = 10mg/2 = 5mg

Z at 95% = 1.96

Margin of error E = Z(r/√n)

n = (Z×r/E)^2

n = (1.96 × 25/5)^2

n = (9.8)^2

n = 96.04

n > 96

Therefore, the number of samples should be more than 96 for the width of their confidence interval to be no more than 10mg

6 0
3 years ago
Help Please my we dobnt know
erica [24]

Answer:

its B

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
PLEASE ANSWER THIS QUESTION! I BEG OF YOU
Law Incorporation [45]

The difference between the rate of change of B and the rate of change of A is 15.

<h3>How to get the difference in the rates of change?</h3>

First, we need to get the two rates of change.

We have two linear functions.

A: y = 35*x

For function A the rate of change is the slope, wich is 35.

Function B is graphed.

Remember that if a line passes through two points (x₁, y₁) and (x₂,y₂) then the slope is:

a = \frac{y_2 - y_1}{x_2 - x_1}

In the graph, we can see that line B passes through (0, 0) and (1, 50), then the slope is:

a = \frac{50 - 0}{1 - 0} = 50

Then the rate of change of B is 50.

The difference between the rates of change is:

diff = 50 - 35 = 15

If you want to learn more about rates of change:

brainly.com/question/8728504

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5 0
2 years ago
7w-180=52w what does w equal
BartSMP [9]

Answer: w= -4

Step-by-step explanation:

7w-180=52w

Subtract 7w on both sides.

-180=45w

Divide both sides by 45.

-4=w

4 0
3 years ago
Select all the distribution shaped for which the mean and median must be about the same.
irga5000 [103]

The distribution shaped for which the mean and median must be about the same will be:

D. Symmetric

E. uniform

<h3>How to illustrate the information?</h3>

In a symmetric distribution, the median is equal to the mean. The bell-shaped distribution is same as the standard normal distribution.

In a right-skewed distribution, the median is much less than the mean and a bimodal distribution is one with two modes.

Therefore, the correct options are D and E.

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brainly.com/question/1136789

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3 0
2 years ago
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