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telo118 [61]
2 years ago
13

Malia found the margin of error for the percent of lengths of 100 willow leaves greater than 5 cm. If she increases her sample t

o 400, how will this affect her margin of error?
Group of answer choices

A. It will not change the margin of error.

B. It will double the margin of error.

C. It will reduce the margin of error by one-half.

D. It will reduce the margin of error by one-fourth.
Mathematics
1 answer:
marissa [1.9K]2 years ago
8 0
I believe option B will be correct
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The polynomial f(x) is written in factored form:
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Set each set of parentheses to 0 and solve for x.

X—6 = 0

X = 6

X + 5 = 0

X = -5

X-9 = 0

X = 9

The zeros are 6, -5, 9

7 0
3 years ago
82, 62, 95, 81, 89, 51, 72, 56, 97, 98, 79, 85 order from least to greatest find the The median of the lower half of the data an
Studentka2010 [4]

Answer:

The median of the lower half of the data was determined to be 67 while the median of the upper half of the data was determined to be 92.

Step-by-step explanation:

<u>Step 1:  Order from least to greatest</u>

51, 56, 62, 72, 79, 81, 82, 85, 89, 95, 97, 98

<u>Step 2:  Determine the median of the lower half of the data</u>

There are 12 numbers which means that there is going to be 6 numbers on both sides of the data.  So using the first 6 numbers we will be able to determine the median of the lower half of the data.

51, 56, 62, 72, 79, 81

Since there is an even amount of numbers, that means that we will need to find the middle between the 3rd and 4th number.  We can do that by adding them up together and dividing by 2.

(62 + 72) / 2 = 67

Step 3:  <u>Determine the median of the upper half of the data</u>

So using the first 6 numbers we will be able to determine the median of the upper half of the data.

82, 85, 89, 95, 97, 98

Since there is an even amount of numbers, that means that we will need to find the middle between the 3rd and 4th number.  We can do that by adding them up together and dividing by 2.

(89 + 95) / 2 = 92

Answer: The median of the lower half of the data was determined to be 67 while the median of the upper half of the data was determined to be 92.

5 0
2 years ago
Please help!!! Find the value of the variable and the measures of the angles.
e-lub [12.9K]

Answer:

x= 38°

<P = 57°

<R = 38

<Q = 85°

5 0
1 year ago
Does the graph represent a function? Why or why not? ​
Shalnov [3]

Answer:

The vertical line test can be used to determine whether a graph represents a function. ... If we can draw any vertical line that intersects a graph more than once, then the graph does not define a function because that x value has more than one output. A function has only one output value for each input value.

Step-by-step explanation:

Can i get braineist pls

3 0
3 years ago
Answer this please i don't really understand it so help me please lol.
expeople1 [14]

Answer:

11

Step-by-step explanation:

Step 1:

( 9 - 3 ) + 20 ÷ 4   Equation

Step 2:

6 + 20 ÷ 4     Subtract

Step 3:

6 + 5   Divide

Answer:

11    Add

<u>PEMDAS:</u>

<u>1. Parenthesis</u>

<u>2. Exponents</u>

<u>3. Multiplication</u>

<u>4. Division</u>

<u>5. Addition</u>

<u>6. Subtraction</u>

<u />

Hope This Helps :)

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8 0
3 years ago
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