The time that customers wait to be served at the delicatessen for a grocery store follows the uniform distribution between 0 and 7 minutes. What is the probability that a randomly selected customer will wait more than 4 minutes at the? deli? A. 0.1429

B. 0.4286

C. 0.5714

D. 0.2857

And we can use the cumulative distribution fucntion given by:

And if we use this formula with the complement rule we have:

And the best option would be:

B. 0.4286

Step-by-step explanation:

Let X the random variable that represent the time that customers wait to be served at the delicastessen for a grocery store. And we know that the distribution for X is given by:

And we want to find the follwing probability:

And we can use the cumulative distribution fucntion given by:

And if we use this formula with the complement rule we have:

And the best option would be:

B. 0.4286

sorry, i don't know i just need points, i'm new here. chao