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Bogdan [553]
3 years ago
14

Carol opened 20 different bags of the same kind of candy and recorded the colors and their frequencies, as shown in the table.

Mathematics
2 answers:
Alina [70]3 years ago
7 0
It is 14% as you add up all of the numbers and divide 10 by that number and finally multiply by 100 for a percent
alukav5142 [94]3 years ago
6 0

Answer:

A-14%

Step-by-step explanation:

We are given a table as

Color                Red   Blue   Green   Purple

Frequency        10      16      28          18

Relative frequency is calculated as

           \dfrac{frequency}{sum of frequencies}\times 100

Hence, relative frequency for red=

      \dfrac{10}{10+16+28+18}\times 100

=     \dfrac{10}{72}\times 100

=   13.88%

≈  14%

Hence, the correct option is:

A- 14%

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AURORKA [14]

Your answer is 1/5 Hope this helps :D

7 0
3 years ago
In the distribution, the first quartile,median and mean are 30.8,48.5 and 42.0 respectively. If the co efficient skewness is -0.
finlep [7]

Answer:

The third quartile is 56.45

Step-by-step explanation:

The given parameters are;

The first quartile, Q₁ = 30.8

The median or second quartile, Q₂ = 48.5

The mean, \bar x = 42.0

Coefficient of skewness = -0.38

The Bowley's coefficient of skewness (SK) is given as follows;

SK = \dfrac{Q_3 + Q_1 - 2 \times Q_2}{Q_3 - Q_1}

Plugging in the values, we have;

-0.38 = \dfrac{Q_3 + 30.8 - 2 \times 48.5}{Q_3 - 30.8}

Which gives;

-0.38×(Q₃ - 30.8) = Q₃ + 30.8 - 2 × 48.5

11.704 - 0.38·Q₃ = Q₃ - 66.2

1.38·Q₃ = 11.704 + 66.2 =  77.904

Q₃ = 56.45

The third quartile = 56.45.

5 0
3 years ago
Solve the following quadratic equations by completing the square.<br><br> y^2-14y+48=0
NISA [10]

Answer:

  y = 6 or 8

Step-by-step explanation:

1. Subtract the constant:

  y^2 -14y = -48

2. Add the square of half the y-coefficient:

  y^2 -14y +49 = -48 +49

Write as a square, if you like:

  (y -7)^2 = 1

3. Take the square root:

  y -7 = ±√1 = ±1

4. Add the opposite of the constant on the left:

  y = 7 ±1  =  6 or 8

The solution is y = 6 or y = 8.

5 0
3 years ago
Find the distance between each pair of points. Round to the nearest tenth<br> (-2,2) (5,2)
bija089 [108]

Answer:

Distance = 7

Step-by-step explanation:

d= \sqrt{(x_2-x_1)^2+(y_2-y_1)^2} \\d= \sqrt{(5-(-2))^2+(2-2)^2} \\d= \sqrt{(7)^2+(0)^2} \\d= \sqrt{49+0} \\d= \sqrt{49}\\ d= 7

6 0
3 years ago
Right answer gets Brainlist
V125BC [204]

orlando 是不对的。ABBY 是对的应为2是power

5 0
3 years ago
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