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Mathematics, 30.07.2020 17:01 srl63
People at a local shopping mall were asked how many books they read in the last
year. The results are given in the table below. However, one value is missing. Use the
information in the table below for parts a, b and c below.
х
P(x)
0
0.205
1
0.166
2
P(2)
3
0.191
4
0.135
5
0.169
a. What is the value of P(2) that will make the table a probability distribution? (2 points)
b. What is the mean () of the probability distribution constructed in part a? (Round your
answer to 3 decimal places). (1 point)
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People at a local shopping mall were asked how many books they read in the last
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