The commute time for people in a city has an exponential distribution with an average of 0.66 hours. What is the probability that a randomly selected person in this city will have a commute time between 0.55 and 1.1 hours? (round to 3 decimal places)

And replacing we got:

And rounded the answer would be 0.246

Step-by-step explanation:

For this case we can define the random variable X as "The commute time for people in a city" and for this case the distribution of X is given by:

And for this case we want to find the following probability:

And we can use the cumulative distribution function given by:

And using this formula we got:

And replacing we got:

And rounded the answer would be 0.246

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step-by-step explanation:

a) 0,0; 1,1; and 2,2

step-by-step explanation:

these have the exact same coordinates, thus they are the correct function.