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1. The probability that the train will be there when Alex arrives is 0.1.

   Given that the time that  train arrives between 1:00 P.M to 2:00 P.M. and waits for 10 minutes. Alex arrives between 1:00 P.M to 2:00 P.M.

   We are required to find the probability that the train when Alex arrives.

   Probability is the likeliness of happening an event among all the events that are possible to happen.

   Probability=Number of items/total number of items.

   Number of combinations of timings in which the train may have arrived=60/10=6 combinations

   Number of ways in which Alex arrives at the station=60.

   Probability=6/60

   =1/10

   =0.1

   Hence the probability that the train will be there when Alex arrives ie 0.1.

   Question is incomplete. The following things should be included:

   Timing in which train arrives is between 1:00 P.M and 2:00 P.M.The train waits for 10 minutes. Alex arrives between 1:00 P.M and 2:00 P.M.

   Learn more about probability at https://brainly.com/question/24756209

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