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2.A.14-BR
Evaluate the following expressions.
a.
1 2 3
2 + 3 +
b
2 42
3 5
10
7
а.
1
2.
2 3
3
+
(Type an integer or a simplified fraction.)
s
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Aparallel system functions whenever at least one of its components works. consider a parallel system of n components, and suppose each component works independently with probability 0.5. find the conditional probability that component n works given that the system is working

Find the value of x for which line a is parallel to line b

Afootball quarterback has two more chances to throw a touchdown before his team is forced to punt the ball. he misses the receiver on the first throw 25% of the time. when his first throw is incomplete, he misses the receiver on the second throw 15% of the time. what is the probability of not throwing the ball to a receiver on either throw?