Question: In a board game, a timer is designed to run out somewhere between 60 s and 180 s. All times are equally distributed from 60

  1. In a board game, a timer is designed to run out somewhere between 60 s and 180 s. All times are equally distributed from 60 s to 180 s.
  2. What is the probability that the timer runs out in less than 100 s?(2 marks)
  3. What is the probability that the timer lasts more than 130 s?(2 marks)

Can you please explain how you find the standard deviation and mean for these questions? Thank you

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