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Social ScienceThe marketing department of a TV manufacturer has done research on the number of TVs owned by families in a large town. The probability model for the number of tvs owned by a randomly chosen family is given below. In the long run, what is the expected number of TVs per family? Round your answer to the nearest tenth. Number of TVs01234Probability0.060.240.430.190.08
The marketing department of a TV manufacturer has done research on the number of TVs owned by families in a large town. The probability model for the number of tvs owned by a randomly chosen family is given below. In the long run, what is the expected number of TVs per family? Round your answer to the nearest tenth.
| Number of TVs | 0 | 1 | 2 | 3 | 4 |
| Probability | 0.06 | 0.24 | 0.43 | 0.19 | 0.08 |
Expert Answer
Expected value:
The expected value of a discrete random variable X is defined as the sum of the product of the values of the random variable and the corresponding probability. That is,
Let the random variable X denotes the number of TV owned by families in a large town. Here, the probability model for the number of T...
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