Question

Asked Oct 17, 2019

- The following table provides a probability distribution for the random variable x.

x |
f(x) |

2 |
0.20 |

4 |
0.30 |

7 |
0.40 |

8 |
0.10 |

- Compute E(x), the expected value of x.
- Compute σ
^{2}, the variance of x.

Compute σ, the standard deviation of x

Step 1

The provided table for probability distribution is:

Step 2

Further,

Step 3

1)

The expected value of *x* can b...

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