4. A random variable X has the following probability distribution:
X
0 1 3 4 5 6
7
P...
Mathematics, 03.06.2021 09:50 sulemmaa
4. A random variable X has the following probability distribution:
X
0 1 3 4 5 6
7
P(X = x) 0 k 2k 3k
k?
2k2 7k2 + k
A. Find k.
B. Evaluate P(1< X <6).
Answers: 3
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