The time to failure (in hours) for a laser in a cytometry machine is modeled by an exponential distribution with 1 = 0.00004. Round the answers to 3 decimal places. (a) What is the probability that the laser will last at least 20369 hours? i (b) What is the probability that the laser will last at most 30438 hours? (c) What is the probability that the laser will last between 20369 and 30438 hours? i

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Average

In mathematics, everyone must have heard the term average in one place or other. Almost all types of calculation require taking out an average. In everyday life, the term is used for denoting a certain amount that can be said to be a typical quantity for multiple people or objects. In other words, if a group of people possesses a certain object, then the average gives us an idea regarding the quantity of the object possessed by each person. However, this is solely based on mathematical calculation. It is important to note that most people will not strictly have the average value in a group.