Times spent using a tablet or smartphone every week by primary school students follow an exponential distribution with mean 10 hours.The probability that a given primary school student spends between 10 and 15 hours using a tablet or smartphone is _______

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The Answer of Times spent using a tablet or smartphone every week by primary school students follow an exponential distribution with mean 10 hours.The probability that a given primary school student spends between 10 and 15 hours using a tablet or smartphone is _______

Times Spent Using a Tablet or Smartphone Every Week by Primary