Answer:
Isolate the variable by dividing each side by factors that don't contain the variable. Exact Form: x = 38/7 Decimal Form: x = 5.428571 Mixed Number Form: x = 5 3/7
Step-by-step explanation:
Answer:
0.3913 = 39.13% probability that the student did not attend class regularly given that (s)he did not receive an above average grade
Step-by-step explanation:
Conditional Probability
We use the conditional probability formula to solve this question. It is
![P(B|A) = \frac{P(A \cap B)}{P(A)}](https://tex.z-dn.net/?f=P%28B%7CA%29%20%3D%20%5Cfrac%7BP%28A%20%5Ccap%20B%29%7D%7BP%28A%29%7D)
In which
P(B|A) is the probability of event B happening, given that A happened.
is the probability of both A and B happening.
P(A) is the probability of A happening.
In this question:
Event A: Did not receive an above average grade.
Event B: Did not attend class regularly.
Probability of an student not receiving an above average grade:
100 - 40 = 60% of 70%(attend class regularly).
100 - 10 = 90% of 100 - 70 = 30%(do not attend class regularly).
So
![P(A) = 0.6*0.7 + 0.9*0.3 = 0.69](https://tex.z-dn.net/?f=P%28A%29%20%3D%200.6%2A0.7%20%2B%200.9%2A0.3%20%3D%200.69)
Did not receive an above average grade and did not attend class regularly:
90% of 30%. So
![P(A \cap B) = 0.9*0.3 = 0.27](https://tex.z-dn.net/?f=P%28A%20%5Ccap%20B%29%20%3D%200.9%2A0.3%20%3D%200.27)
Find the probability that the student did not attend class regularly given that (s)he did not receive an above average grade
![P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.27}{0.69} = 0.3913](https://tex.z-dn.net/?f=P%28B%7CA%29%20%3D%20%5Cfrac%7BP%28A%20%5Ccap%20B%29%7D%7BP%28A%29%7D%20%3D%20%5Cfrac%7B0.27%7D%7B0.69%7D%20%3D%200.3913)
0.3913 = 39.13% probability that the student did not attend class regularly given that (s)he did not receive an above average grade
Answer:
sin(x°) = 11/s
Step-by-step explanation:
The tangent is the ratio of sine to cosine, so ...
tan(x°) = sin(x°)/cos(x°)
Multiplying by cos(x°) gives ...
sin(x°) = cos(x°)·tan(x°) = (r/s)·(11/r)
sin(x°) = 11/s
For this you just have to divide 108 and 6 to get the unit rate in miled
108÷6=?
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