(All Steps) The following table lists the probability distribution of the number of refrigerators owned by all families in a city. Study the distribution
Question: (10 points) The following table lists the probability distribution of the number of refrigerators owned by all families in a city. Study the distribution and answer the questions.
| x | 0 | 1 | 2 | 3 |
| P(x) | .02 | .28 | .61 | .09 |
The probability that a family owns:
- Exactly 3 refrigerators is: ______
- At least 2 refrigerator is: ____
- Fewer than 3 refrigerators is: _____
- The mean of the distribution is = ____
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The standard deviation of the distribution is = _____
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