WorksheetFunction.Expon_Dist(Double, Double, Boolean) Method
Definition
Important
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Returns the exponential distribution. Use EXPON_DIST to model the time between events, such as how long an automated bank teller takes to deliver cash. For example, you can use EXPON_DIST to determine the probability that the process takes at most 1 minute.
public:
double Expon_Dist(double Arg1, double Arg2, bool Arg3);
public double Expon_Dist (double Arg1, double Arg2, bool Arg3);
Public Function Expon_Dist (Arg1 As Double, Arg2 As Double, Arg3 As Boolean) As Double
Parameters
- Arg1
- Double
X - the value of the function.
- Arg2
- Double
Lambda - the parameter value.
- Arg3
- Boolean
Cumulative - a logical value that indicates which form of the exponential function to provide. If cumulative is true, Expon_Dist returns the cumulative distribution function; if false, it returns the probability density function.
Returns
Remarks
If x or lambda is nonnumeric, Expon_Dist returns the #VALUE! error value.
If x < 0, Expon_Dist returns the #NUM! error value.
If lambda ≤ 0, Expon_Dist returns the #NUM! error value.
The equation for the probability density function is:
Figure 1: Equation for the probability density function
The equation for the cumulative distribution function is:
Figure 2: Equation for the cumulative distribution function
Applies to
피드백
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