Math

StatisticsQ&A LibraryThe probability distribution for the random variable x follows: x f(x) 20 0.20 25 0.15 30 0.25 35 0.40 Is the probability distribution valid? Explain. Draw a histogram of the probability distribution. What is the probability that x = 30? What is the probability that x is less than or equal to 25? What is the probability that x is greater than 30?Start your trial now! First week only $4.99!*arrow_forward*

Question

- The probability distribution for the random variable x follows:

x |
f(x) |

20 |
0.20 |

25 |
0.15 |

30 |
0.25 |

35 |
0.40 |

- Is the probability distribution valid? Explain.
- Draw a histogram of the probability distribution.
- What is the probability that x = 30?
- What is the probability that x is less than or equal to 25?
- What is the probability that x is greater than 30?

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