A student's final overall percentage in a course c...

Question

A student's final overall percentage in a course can be predicted using their Midterm Exam score \( ( X ) \) and the regression equation \( Y = 0.78 X + 15 \) . Use this equation to predict a student's final overall percentage in the course when they got a score of \( 84 \) on their Midterm Exam.

(A) \( 84 \)

(B) \( 80.5 \)

(D) \( 15.6\)

Answer

80.52

Solution

View full explanation on CameraMath App.

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B. \( \frac { x } { 3 } = 42 \) . Multiply both sides by \( 3 \) . Kate's photo got \( 126 \) likes.

C. \( x + 3 = 42 \) . Subtract \( 3 \) from both sides. Kate's photo got \( 39 \) likes.

D. \( x - 3 = 42 \) . Add \( 3 \) to both sides. Kate's photo got \( 45 \) likes.

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B. \( \frac { x } { 3 } = 42 \) . Multiply both sides by \( 3 \) . Kate's photo got \( 126 \) likes.

C. \( x + 3 = 42 \) . Subtract \( 3 \) from both sides. Kate's photo got \( 39 \) likes.

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