11. Let X denotes the number of busy server at the checkout counters in a hotel at 1 p.m. The probability distribution function of X is 3. 4 p(x) 0.2 0.3 0.3 0.1 0.1 (a) Find the cumulative distribution function of X. 0.1,0. 5, 0.8,0.4, 1.0 (b) Find the probability that three or more servers are busy P( x 23) = 0.1 t0.1 = 0.2

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11. Let X denotes the number of busy server at the checkout counters in a hotel at 1 p.m. The
probability distribution function of X is
3.
4
p(x)
0.2
0.3
0.3
0.1
0.1
(a) Find the cumulative distribution function of X.
0.1,0. 5, 0.8,0.4, 1.0
(b) Find the probability that three or more servers are busy
P( x 23) = 0.1 t0.1
= 0.2
Transcribed Image Text:11. Let X denotes the number of busy server at the checkout counters in a hotel at 1 p.m. The probability distribution function of X is 3. 4 p(x) 0.2 0.3 0.3 0.1 0.1 (a) Find the cumulative distribution function of X. 0.1,0. 5, 0.8,0.4, 1.0 (b) Find the probability that three or more servers are busy P( x 23) = 0.1 t0.1 = 0.2
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