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vaieri [72.5K]
4 years ago
13

Let X be the random variable whose probability mass function is the following: f(x) = ( c/3 x , if x = 1, 2, 3, . . . 0, otherwi

se Find P(3 ≤ X < 7)

Mathematics
1 answer:
mote1985 [20]4 years ago
4 0

Answer:

The answer of P(3 ≤ X < 7) is 0.367

Step-by-step explanation:

Note that £fx= 1 in a probability mass function the sum of the function is equal to 1.

See attached picture for solution.

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