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Probability distribution

label Mathematics
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Using probability distribution liste

x.       0.   1.    2.     3

P(x).   0.2.   0.1.   0.3.     0.4

A- find the mean ,variance,and standard deviation 

B- what is the probability that p(x is at least 1)?

C-what is the probability that p(x is less than 3)?

Nov 19th, 2017

Population size:4
Mean (μ): 1.5

Variance (σ2): 1.25

Standard deviation (σ): 1.1180339887499

B. the probability that p(x is atleast 1) is 3/4

C. the probability that p(x is less than 3) is 3/4

              Please Best :)

Mar 22nd, 2015

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