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dezoksy [38]
3 years ago
6

We examine a population with normal distribution having mean of 1000 and standard deviation 50. What percentage of the populatio

n lies between 850 and 1150?
Mathematics
1 answer:
Dafna11 [192]3 years ago
6 0

Answer:

99.7%

Step-by-step explanation:

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How do you write an equation for....
Ymorist [56]

Answer:

The blank would be 64 and the answer would be 16

Step-by-step explanation:

Because we are looking for 25% of something, we simply multiply .25 by whatever that number is. So we start with

.25 * ________

And then we put the number in

.25 * 64 = 16

7 0
3 years ago
there are 12 girls and 18 boys in a class. What is the largest number of groups they can be split up into and have the same numb
Veronika [31]
They all can be split up to 6 groups because 12+18=30 so each group will have 5 kids in it.

5 0
4 years ago
Solve for f <br> 0.3=0.5f-0.7
erastovalidia [21]

Answer:

f=2

Step-by-step explanation:

0.3+0.5f-0.7

Move the varibale (0.5f) to the left-hand side and change it's sign to negative.

-0.5+0.3+-0.7

Move the constant to the right hand side and change it's sign

-0.5f=-0.7-0.3

Calulate the differnce

-0.5f=-1

divide both sides by -0.5

F=2

7 0
3 years ago
Carly owns a toy store. She sells teddy bears and charges $25 per bear. Her total monthly cost is $3765. How many bears does Car
Zinaida [17]

Answer:

divide 3765 by 25 to get how many bears she sold, then divide that by 3765

3 0
2 years ago
Read 2 more answers
Write a real-life situation that can be modeled by the expression 5 x 3/4<br><br> 3/4 is a fraction
torisob [31]
Hello there! You can do something like this:
Kelly has 3/4 cup of a bottle of water. She likes to drink 5 times the amount of that every day. How many cups of water does Kelly like to drink every day?
Hope this helped you!
Good luck!
4 0
3 years ago
Read 2 more answers
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