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zloy xaker [14]
3 years ago
7

Answer this fast with an explanation, you will get 20 points: Kristen started a stamp collection. She collected 118 stamps that

had been printed between 1950 and
1980, 83 stamps that had been printed between 1900 and 1949, and 4 stamps that had been printed

before 1900. She put all her stamps into albums. She filled the first album with 125 stamps. How many

stamps did she need to put in another album?
Mathematics
1 answer:
Lena [83]3 years ago
6 0

Answer:

The answer is 80.

Step-by-step explanation:

Firstly we add all of the stamps

118+83+4=205

She put 125 in first album so we have

205-125=80 stamps left

These 80 she needs to put in another album

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Answer:

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Step-by-step explanation:

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3 years ago
A sample of n = 4 scores has SS = 48. What is the estimated standard error for this sample? Group of answer choices
mylen [45]

Answer:

2

Step-by-step explanation:

We have

n = 4 scores

SS = 48

For this question, we are required to find the estimated standard error

To get this, we first solve for the variance

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= 48/4-1

= 48/3

= 16

Then S² = 16

S = √16

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Then the estimated standard error is given by:

S/√n

= 4/√4

= 4/2

= 2.

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2 years ago
Ivan earned $343.75 for working 25 hours last week. How much does Ivan get paid per hour?
soldier1979 [14.2K]

Answer:

$13.75

Step-by-step explanation:

Ivan earns $343.75 working for 25hours

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