Question

A psychological exam was given to 50 professional athletes. Scores are given below:
Score Number of Athletes
20.......... 8
30.......... 18
40.......... 12
50.......... 6
60.......... 4
70.......... 2
50
a. If you pick one of these athletes at random, how likely is it that the athlete had an exam score of 40?
b. If we define a random variable to represent exam score, show the full probability distribution for the random variable.


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  • CreatedJuly 16, 2015
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