Selena's family went on a trip. The total hotel bill was $659 . The cost of the airfare was $633. use mental math to find the to
2 answers:
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Answer:
0.314 = 31.4% probability that a randomly selected person in this city will have a commute time between 0.4 and 1 hours
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:
The probability of finding a value higher than x is:
In this question:
What is the probability that a randomly selected person in this city will have a commute time between 0.4 and 1 hours?
In which
So
0.314 = 31.4% probability that a randomly selected person in this city will have a commute time between 0.4 and 1 hours