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victus00 [196]
2 years ago
15

Use the expression below to answer the following questions.

Mathematics
1 answer:
PilotLPTM [1.2K]2 years ago
4 0

Answer:

There are 2 terms in 9x+3

One is 9x and another is 3

As having 2 terms it is known as binomial .

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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.

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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}}

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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}}

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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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