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Leno4ka [110]
3 years ago
13

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

Physics
1 answer:
lubasha [3.4K]3 years ago
3 0
Lets write again formula for determening Ann's performance.

P = 70.443 + 4,885*t

where t is in hours. This is equation with P(t) which means that P only depends on variable t. If we express t=2.6 in formula we will find her expected performance.

P = 83.144

Now, since it says that she scored 16 points less than expected we need to find value of P-16

P - 16 = 67.144

After round we get that the answer is 67
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