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Mars2501 [29]
3 years ago
12

Who knows this answer ?!!​

Mathematics
1 answer:
kogti [31]3 years ago
5 0

Answer:

D is the answer

Step-by-step explanation:

twice as many children is 24 because 12x2 is 24

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Match each word to its definition.
Citrus2011 [14]

Answer:

1. biased sample: sample not representative of the entire population

2.convenience sample: sample where representatives are easily accessible

3.unbiased sample: sample where every member of the population has an equal chance

4. self-selected sample: sample where members volunteer to take part

5. stratified sample: members are selected from the different subgroups within a population

6. systematic sample: sample members are selected through the use of a rule.

Hope this helps!!

7 0
1 year ago
Read 2 more answers
If f(x)=cosx, then f(x+ pi/2) is equal to
weqwewe [10]
The answer must be - cospi/2 which is not available in the option
8 0
3 years ago
M<br> x-2<br> 20<br> L<br> Find the value of x.<br><br><br> A.2<br> B.4<br> C.6<br> D.8
valentina_108 [34]

Answer:

X=4

Step-by-step explanation:

Eveything is explained in the pic. Hope that helps ;)

3 0
2 years ago
In 2016, the mean number of wins for teams in Major League Baseball was 81 wins with a standard deviation of 10.7 wins. (a) The
Kay [80]

Answer:

(a) The Chicago Cubs broke the Curse of the Billy Goat by winning the World Series in 2016. Find and interpret the z-score for the Chicago Cubs, who had 103 wins in 2016.

Z score = 2.05607

Interpreting the z score, since the z score is positive, this means, the data point is to the right of the mean.

(b) The Chicago White Sox had a z-score of 20.28. Find the number of wins for the Chicago White Sox for 2016.

= 298 wins

Step-by-step explanation:

In 2016, the mean number of wins for teams in Major League Baseball was 81 wins with a standard deviation of 10.7 wins.

(a) The Chicago Cubs broke the Curse of the Billy Goat by winning the World Series in 2016. Find and interpret the z-score for the Chicago Cubs, who had 103 wins in 2016.

The formula for calculating a z-score is is z = (x-μ)/σ,

where x is the raw score

μ is the population mean

σ is the population standard deviation.

x = 103 wins, μ = 81 wins, σ = 10.7

z = 103 - 81/10.7

z = 2.05607

Interpreting the z score, since the z score is positive, this means, the data point is to the right of the mean.

(b) The Chicago White Sox had a z-score of 20.28. Find the number of wins for the Chicago White Sox for 2016.

The formula for calculating a z-score is is z = (x-μ)/σ,

where x is the raw score

μ is the population mean

σ is the population standard deviation.

From the above question, we are asked to find the number of wins, this means we should find the raw score = x

z = 20.28, x = ? μ = 81 , σ = 10.7

Hence,

20.28 = x - 81/10.7

Cross Multiply

20.28 × 10.7 = x - 81

216.996 = x - 81

x = 216.996 + 81

x = 297.996

x is approximately 298 wins

Therefore, the number of wins for the Chicago White Sox for 2016 is approximately 298 wins

4 0
2 years ago
3. The volume of two similar solids is 1331 m^3 and 729 m^3. The surface area of the larger solid
Lostsunrise [7]

Answer:

B. 121 I'm sorry if its not correct

3 0
3 years ago
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