rahilaalizads rahilaalizads
  • 06-03-2024
  • Mathematics
contestada

use the probability distribution of time wait in the cafeteria a Rushmore community college.
x = time 5 10 15 20 25
P(x) 0.15 0.26 0.31 0.20 0.08
what is the mean, standard deviation, and would it be unusual for a student to have to wait 20 minutes to get food in this cafeteria?

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