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17 February, 18:08

suppose the linear regression line y = 2.4x + 3.1 predicts the time, in minutes it takes you to be served at a food stand if there are x people in line ahead of you. About how much time would it take you to be served if there are 3 people in line ahead of you?

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  1. 17 February, 20:52
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    Just substitute "x" with "3".

    Step-by-step explanation:

    y = 2.4x + 3.1

    y = 2.4 (3) + 3.1

    y = 7.2 + 3.1

    y = 10.3

    Answer: 10.3 minutes
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