29. The following table summarizes the number a minutes a certain bus is late: x...
29. The following table summarizes the number a minutes a certain bus is late:
|
x |
0 |
1 |
2 |
3 |
|
p(x) |
0.62 |
0.24 |
0.11 |
0.03 |
The mean number of minutes the bus is late equals:
[A] 0 [B] 1.5 [C] 0.95 [D] 0.55
Homework Answers
Solution :
probability distribution
Mean = 
= 
X * P(X)
= 0 * 0.62 + 1 * 0.24 + 2 *0.11 + 3 * 0.03
= ( 0+ 0.24 + 0.22 + 0.09)
= 0.55
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29. The following table summarizes the number a
minutes a certain bus is late:
x...
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