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tia_tia [17]
3 years ago
13

A professor determined the relationship between the time spent studying (in hours) and performance on an exam.

Mathematics
1 answer:
kykrilka [37]3 years ago
3 0
Step 1: Insert 2.6 hours for the variable of time and solve.
70.443 + 4.885(2.6)
70.443+ 12.701
= 83.144
This is Ann's EXPECTED exam score.  Because of the concert, Ann scored 16 points lower than this number.
Step 2: Subtract 16 from Ann's expected score.
83.144 - 16
= 67.144
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