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Artyom0805 [142]
4 years ago
13

Consider the two-way table. Group 1 Group 2 Category 1 30 90 Category 2 14 32 Complete the table below to show the relative freq

uencies of the data in the first row. Enter numbers in the boxes as decimals to the hundredth place. Group 1 Group 2 Category 1
help im confused and i cant figure it out can someone please explain how to do this
Mathematics
2 answers:
a_sh-v [17]4 years ago
8 0
                            Group1        Group2           Total
Category 1            30                   90                120
Category 2            14                   32                  46
Total                       44                  122               166

Relative frequency:
                                   Group  1                      Group 2              Row Total
Category 1:        30/166 = 0.18             90/166 = 0.54         120/166 = 0.72
Category 2:        14/166 = 0.08             32/166 = 0.20           46/166 = 0.28
Column Total:   44/166 = 0.26           122/166 = 0.74         166/166 = 1.00

The relative frequency is the derived by dividing the amount per cell by the total balance, which is 166. It denotes the parts of the rows and columns against the whole table.
givi [52]4 years ago
6 0

Answer:

I just took the test and the correct answers are 0.25 for group 1 and 0.75 for group 2!!


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2
Anika [276]

Answer:

3 : 2

Step-by-step explanation:

27 : 18 reduce the numbers = 3 : 2

3 0
3 years ago
Factor 64 - P.<br> (8 - x(8 - x)<br> (8 + x (8 - x)<br> (X + 8)(x-8)
muminat

Question:

Factor 64-x^2

(8 - x)(8 - x)

(8 + x) (8 - x)

(X + 8)(x-8)

Answer:

Option B: (8+x)(8-x) is the factor

Explanation:

Given that the expression is 64-x^2

We need to find the factor of the given expression.

Let us rewrite the expression as 8^2-x^{2}

Since the expression is of the form a^2-b^2, let us use the identity a^2-b^2=(a+b)(a-b)

where a = 8 and b = x

Substituting the values in the identity, then the expression can be written as

8^2-x^{2}=(8+x)(8-x)

Thus, the factor of the expression is (8+x)(8-x)

Hence, Option B is the correct answer.

4 0
3 years ago
NEED HELP WITH THIS PROBLEM. thanks
AlexFokin [52]
Rick has 1 1/3, or 4/3, pounds of sugar. 
He needs to pour 1/4 of this amount into the bowl.
4/3 * 1/4  Multiply the numerators and the denominators
(4*1) / (3*4) = 4/12                   Simplify, 4/12 can be simplified to 1/3. 
He poured 1/3 pound of sugar. 

Now, for flour, we need to find 1/4 of 2/3, using the same process:
(2/3) * (1/4) = (2*1) / (3*4) = 2/12 = 1/6
He poured 1/6 pound of flour 
3 0
3 years ago
Evaluate |c2 + b2|, given a = 5, b = -3, and c = -2<br><br> A. 2<br> B.6<br> C.10<br> D.13
Alenkinab [10]
<span>|c^2 + b^2|
=</span><span>|(-2)^2 + (-3)^2|
=</span><span>|4 + 9|
=13
answer is </span><span>D.13</span>
4 0
3 years ago
I have no idea what it is
Anuta_ua [19.1K]

Answer:

snow

Step-by-step explanation:

8 0
2 years ago
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