The table below shows the probability distribution of the discrete random variable X.          X 2 3 4 5 6 7 P(X=x) p 2p p 2p 3p p   Find the value of p from the table above.                                     Calculate the probability that at X is at least 5.                         Calculate the mean of the distribution.

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  1. The table below shows the probability distribution of the discrete random variable X.

        

X

2

3

4

5

6

7

P(X=x)

p

2p

p

2p

3p

p

 

  1. Find the value of p from the table above.                                    
  2. Calculate the probability that at X is at least 5.                        

Calculate the mean of the distribution.                              

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