(All Steps) A study conducted by a cable TV company provided the following probability distribution, where the random variable a! represents the number
Question: A study conducted by a cable TV company provided the following probability distribution, where the random variable a! represents the number of televisions per household.
| X | P(x) |
| 0 | 0.02 |
| 1 | 0.3 |
| 2 | 0.5 |
| 3 | 0.15 |
| 4 | 0.02 |
| 5 | 0.01 |
- Calculate the mean of this probability distribution
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Calculate the standard deviation of this probability distribution
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![[Solution] A box of 20 items contains](data:image/svg+xml,%3Csvg%20xmlns='http://www.w3.org/2000/svg'%20viewBox='0%200%20150%20150'%3E%3C/svg%3E "[Solution] A box of 20 items contains 4 that are defective Two")
[Solution] A box of 20 items contains 4 that are defective Two
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![[Solution] A box of 20 items contains](/images/solutions/MC-solution-library-52619.jpg "[Solution] A box of 20 items contains 4 that are defective Two")
