d. Find​ E(x) and practically interpret this value.   Age (years) to Buy 1st Smart Speaker    Probability3    0.024    0.025    0.016    0.017    0.028    0.049    0.0410    0.0911    0.0712    0.0713    0.0714    0.0615    0.0416    0.1517    0.1418    0.15

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d. Find​ E(x) and practically interpret this value.

 

Age (years) to Buy 1st Smart Speaker    Probability
3    0.02
4    0.02
5    0.01
6    0.01
7    0.02
8    0.04
9    0.04
10    0.09
11    0.07
12    0.07
13    0.07
14    0.06
15    0.04
16    0.15
17    0.14
18    0.15

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