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blagie [28]
3 years ago
12

The California Board of Education wants to know how 5th grade students are doing in math this year. They get a list of all 5th g

raders
in the state of California and look at the overall math grades of every 10th student on the list. Then they add the scores and divide to
get an average. What kind of sampling is this?
Mathematics
1 answer:
kolbaska11 [484]3 years ago
3 0

Answer: I think random sample

Step-by-step explanation:

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Answer:

Yes totally friend, I totally hear you on that!! ^-^ Good luck for your weekend!!!

Step-by-step explanation:

3 0
3 years ago
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At a camp in Green Bay, Wisconsin, 7 9 of the participants were from Wisconsin. Of that group, 6 15 were 12 years old.
Karolina [17]

Complete question :

At camp in Green Bay, Wisconsin, 7/9 of the participants were from Wisconsin. Of that group 3/5 were 12 years old. What fraction of the group was from Wisconsin and 12 years old?

Answer:

7/ 15

Step-by-step explanation:

Fraction from Wisconsin = 7/9

Fraction who are 12 years old = 3/5

Fraction who are from Wisconsin and 12 years old

(Fraction from Wisconsin * Fraction who are 12 years old)

(7 / 9 * 3/ 5)

= (7 * 3) / (9 * 5)

= 21 / 45

= 7 / 15

8 0
3 years ago
Which of the x-values are solutions to the following inequality? x<365
vladimir1956 [14]

Answer:

Choice A ; Choice B

Step-by-step explanation:

x < 365

x ∈ ( -oo ; 365 )

Solutions :

  • Choice A

x = 99

  • Choice B

x = 361

7 0
3 years ago
A total of $39,000 is being invested in a local bank. The
igor_vitrenko [27]

Answer:

C

Step-by-step explanation:

b + 1/4b = 39,000

1.25b = 39,000

b = 31,200

4 0
2 years ago
jocelyn mowed a lawn that is 722 1/2 square yards. Her brother mowed a lawn that is 842 18/25 square yards. How many square yard
cricket20 [7]
Together they mowed 1565 11/50 square yards. You have to make the fractions have same denominators so you can add, after fixing the denominators, just add. 

7 0
3 years ago
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