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Anastasy [175]
3 years ago
9

The 200 students in a school band will attend an awards dinner. A random survey of 25 of these students was conducted to determi

ne how many of each meal should be prepared for the dinner. The results of the survey are shown.
12 students want a beef meal
8 students want a chicken meal
5 students want a pasta meal


Based on the survey results, which of these is the best prediction of the meals wanted by the 200 students?
Mathematics
1 answer:
Alenkinab [10]3 years ago
6 0

Answer:

it16

Step-by-step explanation:

because i know the answer we already went over it

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Solve for the variable k.<br><br><br><br> m/k=x
Katyanochek1 [597]
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m = xk <==
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Suppose on a certain test, fifty students earn a perfect score and fifty students earn a zero. determine the mean grade and stan
kodGreya [7K]

Answer:

Mean=50.

standard deviation=50.

Step-by-step explanation:

Let the perfect score be 100.

The mean(average) of a data is given by: Mean=\frac{sum of data points}{number of data points}

Here the number of data points are 100. out of which 50 attains a value 100,and 50 attains value 0.

so, sum of data points=50×100+50×0=5000.

Mean=\frac{5000}{100}

Mean=50.

"Now the standard deviation of data points are calculated by firstly subtracting mean from every entry and then square the number and take it as new entry and calculate the mean of the new data entry and lastly taking the square root of this new mean".

Here if 50 is subtracted from each entry the new entry will have 50 entries as '50' and 50 entries as '-50'.

next on squaring we will have all the 100 entries as '2500'.

now the mean of these entries is: \frac{2500\times100}{100}

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taking it's squareroot we have \sqrt{2500}=50

Hence, standard deviation=50.




5 0
3 years ago
Read 2 more answers
The ____ of ____ property allows you to rewrite . xa· xb as xa + b.
gregori [183]
The rule of distributive property allows you to rewrite xa + xb as x (a + b).

So if x = 2, a = 3 and b = 4, xa + xb = x(a + b)
(2 * 3) + (2 * 4) = 2 (3 + 4)
6 + 8 = 14
14 = 14
...and so on. You may try it yourself with different variations.

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7 0
3 years ago
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Anastasy [175]

Answer:

8.70%

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If Bob deposits $5,000 at the beginning of each year for 10 years in an account paying 12% interest compounded annually, find th
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