A class of 44 students took a 10-point quiz. The frequency of scores is given in the...

Mary

New member
...table.? Number of
Points Frequency
5 2
6 5
7 10
8 15
9 9
10 3
Total: 44

Give the probability distribution.

I have the answer which is below, but I don't know how to arrive to it. Please show me how. Thanks.

Number 5 6 7 8 9 10
Probability .05 .11 .23 .34 .20 .07
 
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