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lyudmila [28]
3 years ago
14

In the same set of 1,000 integers from 1 to 1,000, an integer chosen at random on a single trial should be an integer from 1 to

25 about 25 out of every 1,000 trials, or one out of every 40 integers selected. The following integers from 1 to 25 appeared when a sample of 50 integers was taken from the list of the integers from 1 to 1,000: 12, 21, and 16. Is this sample of 50 trials more or less than what was expected for the population as a whole?
A. Three numbers from 1 to 25 is higher than expected.
B. Three numbers from 1 to 25 is lower than expected.
C. The question cannot be answered with the information provided.
Mathematics
2 answers:
Butoxors [25]3 years ago
7 0

Answer:

im pretty sure its b of im wrong please correct me if wronb

Lera25 [3.4K]3 years ago
5 0
Oni Chan oni Chan oni Chan
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“the perimeter of the rectangle below is 90 units. find the length of side PS. write your answer without variables.”
Rzqust [24]

Answer:

19

Step-by-step explanation:

The opposite sides are equal, so:

PS = 3y+1

RS = 4y+2

QR = 3y+1

PQ = 4y+2

Therefore, we can set the perimeter 90 = PS+RS+QR+PQ

90 = (3y+1) + (4y+2) + (3y+1) + (4y+2), or,

90 = 2(3y+1) + 2(4y+2)

90 = 6y+2 + 8y+4

90 = 14y + 6

84 = 14y

y = 6

Then, we go back to the question. It's asking for the length of PS. PS = 3y+1, so we plug in 6 for y

3(6)+1

18 + 1 = <u>19</u>

5 0
3 years ago
Jack can build 1/5 of a shed in the same time Kyle build 5/8 of a shed. How much of a shed will jack have built when Kyle has fi
nadya68 [22]

Answer:

Step-by-step explanation:

If Kyle can get 5/8 of a shed built in x amount of time, he can get 62.5% done; if Jack can get 1/5 of the shed built in the same time, he can 20% of it done. As a ratio:

\frac{Kyle}{Jack}:\frac{62.5}{20}  Kyle gets the whole thing done, 100% of the way, leaving Jack lagging behind at a somewhat lower percentage of the work being done.

\frac{Kyle}{Jack}:\frac{62.5}{20}=\frac{100}{x} and cross multiply to solve for the percentage of the shed built by Jack by the time Kyle gets it completed:

62.5x = 2000 so

x = 32%

4 0
3 years ago
PLEASE HELP!! WILL GIVE BRAINLIEST FOR BEST ANSWER!! Please solve #17 and #18. If you can only answer one it's ok.
Paha777 [63]
Well for number 17 you have to multiply by two which 4 * 2 is 8 and 12 * 2= 24. for number 18 your answer would be isometry. hope that helped
5 0
3 years ago
The weight of the books carried in a backpack depends on the number of books in the backpack. Susan’s books weigh from 1 pound t
vekshin1

Answer:

4 - 14 lbs

Step-by-step explanation:

Ok, so the most she can carry is 4 books. and they weigh 1 - 3.5 lbs. so you take 1 times 4. and thats well 4. then you do 3.5 times 4. thats 14 so your range would be 4 -14 lbs

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3 years ago
I need help! Please please please please
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I'm pretty sure that the answer to the fudge cakes is 8 friends
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3 years ago
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