hewonabi123
25.10.2021 •
Mathematics
May I please receive help?
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Ответ:
The answer is in the included image
Ответ:
3.97% probability that there is a waiting of more than 2 minutes between arrivals
Step-by-step explanation:
Exponential distribution:
The exponential probability distribution, with mean m, is described by the following equation:
In which
is the decay parameter.
The probability that x is lower or equal to a is given by:
Which has the following solution:
In this problem, we have that:
What is the probability that there is a waiting of more than 2 minutes between arrivals
Either you wait 2 minutes or less, or you wait more than 2 minutes. The sum of the probabilities of these events is decimal 1. So
We want P(X > 2). So
In which
3.97% probability that there is a waiting of more than 2 minutes between arrivals