## Exponential Distribution Calculator

Use this calculator to find the probability density and cumulative probabilities for Exponential distribution with parameter $\theta$.

Exponential Distribution Calculator | |
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Parameter $\theta$: | |

Value of A | |

Value of B | |

Results | |

Probability X less than A: P(X < A) | |

Probability X greater than B: P(X > B) | |

Probability X is between A and B: P(A < X < B) | |

Mean = $1/\theta$ | |

Variance = $1/\theta^2$ | |

Standard deviation = $1/\theta$ | |

## Exponential Distribution

A continuous random variable $X$ is said to have an exponential distribution with parameter $\theta$ if its p.d.f. is given by $$ \begin{aligned} f(x)&=\theta e^{-\theta x}, x\geq 0;\theta>0. \end{aligned} $$