Determining mean of distribution of data

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Reference no: EM1315752

Q1) If 25 tickets are sold and 2 prizes are to be awarded, determine the probability that one person will win both prizes if that person purchases exactly 2 tickets.

i) 1/300   

ii) 1/600   

iii) 1/700   

iv) 1/2300

Q2) Determine mean of distribution shown.

x

1

2

P(x)

0.31

0.69

i) 0.96   

ii) 1.42   

iii) 1.18   

iv) 1.69

Q3) Give the mean of following probability distribution?

 

 

1

0.20

2

0.10

3

0.35

4

0.05

5

0.30

i) 1.20    

ii) 1.46    

iii) 3.15     

iv) 2.13

Reference no: EM1315752

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