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Question

Consider the following data:

x | −4 | −3 | −2 | −1 | 0 |
---|---|---|---|---|---|

P(X=x) | 0.1 | 0.1 | 0.1 | 0.3 | 0.4 |

Find the expected value E(X). Round your answer to one decimal place.

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Math

Statistics

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