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butalik [34]
2 years ago
7

Between a bar graph and a line graph, which type of graph would be best to compare the test scores?

Mathematics
1 answer:
Ludmilka [50]2 years ago
7 0
A line graph Would be the best to compare test scores
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dimaraw [331]

40,000 is your answer


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A taste test asks people from Texas and California which pasta they prefer,
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Answer:

Yes, they are independent because P(Texas) ≈ 0.45 and P(Texas/brand A) ≈ 0.45.

Step-by-step explanation:

We are given that a taste test asks people from Texas and California which pasta they prefer,  brand A or brand B. The table is given in the question.

A person is randomly selected from those tested.

And we have find that are being from Texas and preferring brand A independent events or not.

Firstly, we know that these two events will be independent when;

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Now, P(Texas) =  \frac{\text{Number of people from Texas}}{\text{Total number of people}}

                        =  \frac{125}{275}  ≈ 0.45

Also,  P(Texas/brand A)  =  \frac{P(Texas \bigcap Brand A)}{P(Brand A)}

                                        =  \frac{\text{Number of people from Texas and preferring brand A}}{\text{Number of people preferring brand A}}

                                        =  \frac{80}{176}  ≈ 0.45

Therefore, being from Texas and preferring brand A are independent events because P(Texas) ≈ 0.45 and P(Texas/brand A) ≈ 0.45.        

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Negative 4 is less than negative 1
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Answer:

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ab + c = d

We want to solve for b, so we need to get b alone

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ab+c-c = d-c

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Divide each side by a

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b = (d-c)/a

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3

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