Find 5g(x)-f(x) given f(x)=9x^2+7x and g(x)=2-x
1 answer:
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Answer:
38.89% probability that a student that is taking Physics is also taking Statistics
Step-by-step explanation:
Conditional probability formula:
Two events, A and B.
In which
P(B|A) is the probability of B happening, given that A has happened.
is the probability of these two events happening.
P(A) is the probability of A happening.
In this problem, we have that:
A: physics
B: statistics.
90% of the students take Physics
This means that
35% of the students take both Physics and Statistics.
This means that
So
38.89% probability that a student that is taking Physics is also taking Statistics