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4 years ago

Please help thank you so much.

Mathematics

1 answer:

gogolik [260]4 years ago

8 0

The 1st one is D
2nd is A
3rd is B

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What are the relative frequencies, to the nearest hundredth, of the rows of the two-way table?

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Answer: A B

Group 1 0.25 0.75

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Step-by-step explanation:

Since we have given that

Number of people of A in group 1 = 15

Number of people of B in group 1 = 45

Total number of people in group 1 is given by

$15+45=60$

Relative frequency of people of A in Group 1 is given by

$\frac{15}{60}=0.25$

Relative frequency of people of B in Group 1 is given by

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Similarly, Number of people of A in group 2 = 20

Number of people of B in group 2 = 25

Total number of people in group 2 is given by

$20+25=45$

Relative frequency of people of A in Group 2 is given by

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Relative frequency of people of B in Group 2 is given by

$\frac{25}{45}=0.56$

Hence, A B

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Group 2 0.44 0.56

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Answer:

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